Umami Mushroom Grain Veggie Burgers

Homemade Mushroom Grain Veggie Burgers: The Ultimate Flavorful Plant-Based Patty Recipe

Are you on a quest for the perfect veggie burger? Look no further! Our Mushroom Grain Veggie Burgers are crafted with a delightful blend of hearty grains and finely chopped mushrooms, creating a foundation that boasts a naturally neutral flavor. This carefully balanced profile ensures they beautifully complement any of your favorite burger toppings, allowing your culinary creativity to shine. Say goodbye to overpowering flavors from the patty itself and hello to a versatile, delicious, and satisfying plant-based experience.

For years, I fondly remembered a particular brand of veggie burgers once available in Canada called Gardenburgers, famously sold at Costco under the Kirkland Signature label. If memory serves, they were originally produced by Money’s, a well-known mushroom company. These grain and mushroom-based patties were, without a doubt, my absolute favorite. Their absence from store shelves for over a decade left a significant void in my plant-based meal planning. While I’ve tried many other veggie burgers since, I often find them to have overly dominant flavors – yes, I’m looking at you, Chipotle Black Bean Burgers – that simply overwhelm the fresh toppings I love. And let’s not even get started on the “Impossible” style burgers; they’ve never been my preference.

Driven by this culinary nostalgia and a desire for a truly balanced veggie burger, I embarked on a mission to recreate the magic of those past patties. The result? A resounding success! My son, who is typically a staunch meat-lover, recently declared, “I just love these veggie burgers!” when I served them for dinner. This enthusiastic seal of approval confirmed that I had indeed nailed it. Now, I’m thrilled to share my tried-and-true recipe so you can experience these incredible, versatile, and homemade Mushroom Grain Veggie Burgers too!

A perfectly cooked Mushroom Grain Veggie Burger served on a white plate, ready to be topped.

Why Choose Homemade Mushroom Grain Veggie Burgers?

Making your own veggie burgers from scratch offers a multitude of benefits that extend beyond just satisfying your taste buds. Firstly, you gain complete control over the ingredients, allowing you to choose fresh, wholesome components and avoid any unwanted additives, preservatives, or excessive sodium often found in store-bought alternatives. This is especially beneficial for those with dietary restrictions or specific health goals.

Secondly, the neutral flavor profile of these mushroom grain patties is a game-changer. Unlike many commercial veggie burgers that aggressively assert their own strong taste (think overwhelming spice or artificial smokiness), our recipe provides a clean canvas. This means your carefully selected toppings – be it crisp lettuce, juicy tomatoes, tangy pickles, creamy avocado, or a zesty sauce – truly get to shine, creating a harmonious and personalized burger experience every time. You can customize the flavor as much or as little as you like with spices, making them incredibly versatile.

Lastly, while the process might involve a few steps, the ability to make a large batch and freeze the patties makes these homemade veggie burgers incredibly convenient for future meals. It’s a fantastic way to ensure you always have a healthy, delicious, and satisfying plant-based option ready to go, saving you time and effort on busy weeknights. Plus, the satisfaction of creating something so wholesome and tasty from your own kitchen is truly unparalleled.

How to Make Flavorful Mushroom Grain Veggie Burgers: A Step-by-Step Guide

Let’s be upfront: crafting these delicious veggie burger patties is a multi-step process. It involves four distinct cooking stages: preparing the grains, sautéing the mushrooms and onion, baking the formed patties, and finally, frying, air-frying, or grilling them just before serving. However, don’t let this deter you! Each step is straightforward, and the results are incredibly rewarding. Plus, there are smart ways to minimize the effort, such as using quick-cooking or precooked grains, or making a double batch to stock your freezer – it takes hardly any more effort than a single batch.

Preparing the Grains: The Heart of Your Veggie Burger

Begin by cooking your chosen barley and rice. Since there’s a variety of types available, each with different cooking times (e.g., hulled barley takes longer than quick-cooking barley, and brown rice takes longer than white rice), always follow the specific directions on their respective packages. Precision here ensures perfect texture.

Soaking the Oats: A Crucial Binder

While your grains are cooking, start soaking the oats. This simple step is vital for the texture of your burgers. Just cover the rolled oats with a couple of inches of cold water and let them sit. Soaking helps the oats soften and become an excellent binder for the patties, preventing them from being dry or crumbly. Once adequately soaked, drain them thoroughly using a fine-mesh strainer, pressing out as much excess water as possible. This step is critical; too much moisture will make your patties fall apart.

Preparing the Mushrooms & Onion: The Umami Base

Next, prepare the mushrooms. Gently brush any dirt off them – avoid rinsing them as they absorb water easily. Break the mushrooms into smaller pieces and add them to your food processor. The goal is a coarse chop, not a paste, which gives the burgers a lovely texture. For best results and even chopping, process the mushrooms in 2-3 batches. If you don’t have a food processor, a sharp chef’s knife and some patience will do the trick!

Now, grate the onion using a box grater. Combine the coarsely chopped mushrooms and grated onion in a large skillet. Cook this mixture over medium-high heat, stirring frequently, until most of the excess moisture has evaporated. This step is crucial for developing flavor and preventing soggy burgers. It typically takes about 15-20 minutes for the mixture to become relatively dry.

A close-up of a Mushroom Grain Veggie Burger showing its texture and ingredients.

Mixing & Forming the Patties: Bringing It All Together

Once all your components are prepped, drain any remaining excess water from the cooked barley and rice (if necessary) and thoroughly press out the water from the soaked oats using a fine-mesh strainer. Combine the cooked grains and the sautéed mushroom-onion mixture in a large mixing bowl. Now, add the remaining ingredients: salt, eggs (which act as a primary binder), shredded mild cheese, cornstarch (another excellent binder, especially good for gluten-free options), minced garlic, smoked paprika, and freshly ground black pepper. Mix everything together very well until uniformly combined. At this stage, the mixture will be quite wet, somewhat resembling a thick oatmeal. This is normal!

Next, decide on your preferred patty size. I typically recommend 1/4 to 1/2 pound patties; a 1/3-pound patty (approximately 150g) is often a perfect size for standard buns and appetites. Using a burger patty press can create perfectly uniform patties, but forming them by hand works just as well. Gently but firmly shape your portions into patties and carefully place them onto a parchment-lined baking sheet. The parchment paper is essential to prevent sticking.

Baking & Crisping: The Two-Stage Cook

Bake the patties for about 30 minutes, or until they are completely set and firm to the touch. This initial baking step is crucial for the patties to hold their shape and develop a solid internal structure. While they are safe to eat directly after baking, I highly recommend a second cooking stage. This final cook – whether in a skillet, air-fryer, or on the grill – will crisp and brown the edges, enhancing both texture and flavor, mimicking a traditional burger experience.

This is also a fantastic make-ahead opportunity: you can refrigerate the baked patties for a few days or freeze them for longer storage. When you’re ready to serve, simply pull them out and proceed to the crisping step. You can even cook them directly from frozen, making meal prep a breeze!

A finished Mushroom Grain Veggie Burger, beautifully browned and crisp, ready to be enjoyed.

Mushroom Grain Veggie Burgers: Key Ingredients Breakdown

The magic of these veggie burgers lies in the harmony of simple, wholesome ingredients. Here’s a closer look at what makes them so special and how you can adapt them:

  • Dry Barley: This grain contributes a wonderful chewy texture and nutty flavor, mimicking the satisfying bite of a meat burger. To save time, opt for quicker-cooking barley (pearl barley) over hulled barley, which can take an hour or more to cook. For a gluten-free option, substitute with an equal amount of additional rice (consider using two different types for varied texture) or quinoa.
  • Dry Rice: Highly versatile, you can use almost any type of rice here. I often use a wild rice blend for added complexity and nutrition. Brown rice is an excellent choice for maximum fiber and a chewier consistency, contributing to the burger’s satisfying mouthfeel. For ultimate time savings, Minute Rice or pre-cooked rice can be used, significantly cutting down on prep time.
  • Dry Rolled Oats: Oats are indispensable as a binder, helping to hold the patties together. They also add a subtle creaminess and fiber. If you need your veggie burgers to be gluten-free, ensure the oats are specifically labeled as certified gluten-free, as cross-contamination can occur during processing.
  • Mushrooms (White or Cremini): The star of the show! Mushrooms provide an incredible umami depth and a “meaty” texture when chopped and cooked down. Both white button mushrooms and brown cremini mushrooms work beautifully, offering a rich, earthy base for the burgers.
  • Medium Onion: Grated onion adds moisture, subtle sweetness, and aromatic flavor to the patty mixture. Grating it helps it incorporate seamlessly into the texture.
  • Canola Oil or Neutral-Flavored Cooking Oil: Used for sautéing the mushroom and onion mixture, it helps to cook off moisture and develop a deep, savory flavor without imparting its own strong taste.
  • Kosher Salt or MSG-Salt: Salt enhances all the flavors. Using MSG-salt can boost the umami even further, contributing to that savory, satisfying taste.
  • Large Eggs: Eggs are crucial binders that help hold the grains and mushrooms together, preventing the patties from crumbling during cooking. For a vegan option, flax eggs (1 tbsp ground flaxseed meal + 3 tbsp water per egg) or commercial egg replacers can be used, though results may vary slightly in texture.
  • Shredded Mild Cheese: A good melting cheese without an overpowering flavor is best here. Mild cheddar, marble, mozzarella, or Monterey Jack are excellent choices. The cheese adds richness, helps bind the patty, and contributes to a delicious, slightly gooey interior. For a dairy-free or vegan option, simply omit the cheese or use a high-quality vegan shredded cheese that melts well.
  • Cornstarch: Acts as an additional binding agent and helps absorb excess moisture, contributing to a firmer patty texture. It’s also a great gluten-free thickener.
  • Garlic (Minced): Fresh minced garlic adds an aromatic depth that is fundamental to the savory profile of these burgers.
  • Smoked Paprika or Hot Paprika: Smoked paprika adds a wonderfully subtle smoky note without being too intense, while hot paprika can give a gentle kick. Choose based on your preference for warmth.
  • Freshly Ground Black Pepper: A universal flavor enhancer, black pepper adds a touch of sharpness and rounds out the overall seasoning.
A trio of Mushroom Grain Veggie Burgers served on a white plate, showcasing their inviting appearance.

Serving Suggestions & Customization for Your Veggie Burgers

The beauty of these neutral-flavored Mushroom Grain Veggie Burgers is their incredible adaptability! They truly shine with a wide array of toppings, allowing you to customize each burger to your heart’s content.

For a classic approach, serve them on a toasted brioche or whole wheat bun with crisp lettuce, ripe tomato slices, red onion, and dill pickles. Add a dollop of your favorite condiment – ketchup, mustard, or a creamy aioli.

Feeling adventurous? Try a BBQ-themed burger with a generous slather of smoky barbecue sauce, caramelized onions, and perhaps a slice of dairy-free cheddar. For a Mediterranean twist, serve with tzatziki, cucumber, and fresh dill. A Mexican-inspired burger could feature avocado, salsa, and a squeeze of lime.

Don’t forget about creative cheese options! Beyond mild cheddar, consider a slice of provolone, Swiss, or even a spicy pepper jack for a kick. Pair your burgers with classic sides like crispy french fries, a fresh garden salad, or sweet potato wedges for a complete and satisfying meal. These burgers are truly a canvas for your culinary imagination!

Make-Ahead and Storage Tips

These Mushroom Grain Veggie Burgers are fantastic for meal prepping! Once baked and fully cooled, the patties can be stored in the refrigerator for up to 3-4 days in an airtight container.

For longer storage, these patties freeze exceptionally well. Place the baked patties on a baking sheet lined with parchment paper and freeze until solid. Once frozen, transfer them to a freezer-safe bag or container, separating layers with parchment paper to prevent sticking. They will keep in the freezer for up to 3 months. When ready to enjoy, you can reheat them directly from the freezer using your preferred crisping method (skillet, air fryer, or grill), adding a few extra minutes to the cooking time. This makes them a perfect quick and healthy meal solution for any day of the week!

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Mushroom Grain Veggie Burgers Nutrition Notes & Dietary Adjustments

The nutrition information provided in the recipe below is calculated for one 1/3-pound patty. Please keep in mind that if you choose to make your patties larger or smaller, the nutritional values will vary accordingly. This information pertains solely to the patty itself and does not include any additional calories, fats, or carbohydrates from buns, sauces, or other burger toppings you might add.

Our nutritional calculations use standard regular hulled barley, white rice, and Colby Jack (marble) cheese. Should you opt for different ingredients or make substitutions, the nutrition information may change slightly. However, for most common variations, we don’t anticipate drastic alterations to the overall nutritional profile.

For those requiring a gluten-free diet, these Mushroom Grain Veggie Burger patties can be easily adapted. Simply substitute the barley with an equivalent amount of another gluten-free grain, such as additional rice (a combination of brown and white rice works well for texture) or quinoa. Furthermore, it is essential to ensure that the rolled oats you use are explicitly labeled as “gluten-free” to avoid any cross-contamination. Always check labels if you have specific dietary concerns.

Frequently Asked Questions (FAQs)

  • Can I make these vegan? Yes! To make these burgers vegan, substitute the eggs with flax eggs (1 tablespoon ground flaxseed meal mixed with 3 tablespoons water per egg, let sit for 5 minutes) and omit the shredded cheese or use your favorite vegan shredded cheese that melts well.
  • What kind of mushrooms are best? White button or cremini (baby bella) mushrooms work perfectly for this recipe, offering a great earthy flavor and texture.
  • Can I omit the cheese? Absolutely! If you’re dairy-free or prefer no cheese, you can simply leave it out. The cornstarch and eggs (or flax eggs) will still provide enough binding.
  • How do I prevent the patties from falling apart? The key is thoroughly cooking off the moisture from the mushrooms and oats, and pressing out excess water from the oats. Also, don’t skip the initial baking step, as this sets the patty structure.
Carissa Serink

Mushroom Grain Veggie Burgers















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A Mushroom Grain Veggie Burger on a white plate.
Mushroom Grain Veggie Burgers are made of grains and chopped mushrooms. They have a neutral flavor and pair well with any burger toppings.

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Servings:

9
1/3 pound patties
Course:
Dinner, Entree, Lunch
Cuisine:
Universal
Calories:
273
Special Diet:
Dairy Free, Gluten Free, Nut Free, Vegetarian
Prep Time

30 minutes

Cook Time

1 hour

Total Time

1 hour

30 minutes

Ingredients
Equipment
Method
Nutrition
Notes

Equipment

  • Kitchen scale
    optional
  • 2 Small Saucepans
  • Fine Mesh Strainer
  • Food Processor
  • Box Grater
  • Hamburger Patty Press
    optional, but helpful
  • Baking sheet
  • Parchment paper

Ingredients

 

 



  • 1/4
    cup

    dry barley

    see note



  • 1/2
    cup
    dry rice
    any type, see note



  • 1
    cup
    dry rolled oats
    see note



  • 24
    ounces
    mushrooms



  • 1
    medium
    onion



  • 1
    Tablespoon
    canola oil or neutral-flavored cooking oil



  • 1
    teaspoon

    kosher salt

    or MSG-salt, divided



  • 3
    large
    eggs



  • 3/4
    cup
    shredded mild cheese
    eg mild cheddar, marble, mozzarella, or Monterey jack



  • 1/4
    cup
    cornstarch



  • 2
    cloves
    garlic
    minced



  • 1/2
    teaspoon

    smoked paprika

    or hot paprika



  • 1/2
    teaspoon
    freshly ground black pepper

Instructions

 

  1. In two separate small saucepans, cook 1/4 cup (50 g) dry barley and 1/2 cup (90 g) dry rice according to the directions on the package (note that cooking times will vary depending on what type you choose to use.) Drain any excess water when done cooking. Add both cooked grains to a large bowl.
  2. While you’re waiting for the grains to cook, continue prepping the other ingredients. Place 1 cup (90 g) dry rolled oats in a medium bowl and cover with a couple of inches of cold water. Soak for at least 15 minutes. Drain using a fine-mesh strainer, pressing out any excess water with a spatula or spoon. Add to the bowl with the other grains.
  3. Wipe any visible dirt from 24 ounces (680 g) mushrooms, break them into 1/2 to 1-inch pieces, and add the pieces to the bowl of your food processor. Pulse the food processor until the mushrooms are coarsely chopped (alternatively, do this by hand with a large chef’s knife). Make sure not to overfill your food processor as this will make it difficult to get the mushrooms cut into uniform pieces. For a full-sized food processor, I recommend processing 24 ounces of mushrooms in 2-3 batches.
    Chopped mushrooms in a food processor.
  4. Grate 1 medium onion using the large holes of a box grater.
  5. Heat 1 Tablespoon canola oil or neutral-flavored cooking oil in a large skillet over medium-high heat. Add the processed mushrooms, the grated onion, and half of the kosher salt to the skillet. Cook, stirring often, until all of the excess liquid has cooked off, about 15-20 minutes.
  6. Add the cooked mushroom mixture to the bowl with the grains. Stir in the remaining half of the kosher salt, 3 large eggs, 3/4 cup shredded mild cheese, 1/4 cup cornstarch, 2 cloves garlic, 1/2 teaspoon smoked paprika, and 1/2 teaspoon freshly ground black pepper. The mixture at this point will be quite wet and resemble thick oatmeal.
  7. Move oven racks to the lower-middle and upper-middle positions. Turn on the oven to 350°. Line two baking sheets with parchment paper.
  8. Decide how large you want your patties to be (I made mine all 1/3 pound or 151g, and this was just right for our appetites and buns. Anywhere from 1/4 pound to 1/2 pound would work). Use a measuring cup or kitchen scale to measure out portions for your patties. By hand or using a hamburger patty press, form the portions into patties of your desired size. Carefully place the patties onto a parchment-lined baking sheet.
    3 Uncooked Mushroom Grain Burger patties on a parchment-lined baking sheet.
  9. Bake the patties until they’re fully set, about 30 minutes. If they’re not set in the middle yet, place them back in the oven for about 5 more minutes. Larger patties may need a few extra minutes. At this point, they are safe to eat, but I recommend cooking them a second time to crisp and brown the edges. You could do this right away, or you could refrigerate or freeze the patties for later.
    Mushroom Grain Burger patties on a parchment-lined baking sheet after baking.
To crisp/warm the patties
  1. Right before serving, I recommend cooking the patties again to reheat/crisp and brown the edges. You can do this immediately after baking, from the fridge, or from frozen.
  2. In a skillet: heat a Tablespoon of oil in a skillet over medium-high heat. Add the patties and cover. Cook until the bottom of the patty is browned and crisp, about 5 minutes. Flip the patties and repeat on the second side.
  3. In an air-fryer: Brush or spray a very light layer of oil on both sides of the patties. Heat in your air-fryer until the outsides are crisp and the center is hot, about 10 minutes at 425°F.
  4. On the grill: Heat the grill on medium-high to high heat and clean the grates with a bristle-free grill scraper. Turn the heat down to medium and lightly oil the grates. Place your Mushroom Grain Veggie Burgers on the grill and cook until browned on the bottom, about 5-7 minutes. Flip the patties and repeat on the second side.

Nutrition


Calories:
273
kcal


Carbohydrates:
37
g


Protein:
12
g


Fat:
9
g


Saturated Fat:
3
g


Polyunsaturated Fat:
2
g


Monounsaturated Fat:
3
g


Trans Fat:
0.01
g


Cholesterol:
72
mg


Sodium:
356
mg


Potassium:
432
mg


Fiber:
5
g


Sugar:
2
g


Vitamin A:
256
IU


Vitamin C:
3
mg


Calcium:
110
mg


Iron:
2
mg

Notes

To make these Mushroom Grain Veggie Burgers gluten-free, replace the barley with an extra quarter cup of rice (I would recommend using at least a part brown rice to replicate the chewy texture of barley) or another gluten-free grain like quinoa. Also, make sure that your oats are labeled “gluten-free”, and ensure that the person you’re cooking for can tolerate oats.

To save time, consider using quick-cooking barley and Minute Rice or pre-cooked rice.




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A final close-up of the delicious Mushroom Grain Veggie Burger, appetizing and ready to be enjoyed.