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close-up shot of a mushroom walnut veggie burger with lettuce and cheese on a sesame seed bun.

Mushroom Walnut Burgers

These Mushroom Walnut Burgers are my favourite veggie burgers hands-down. They're juicy and rich and super flavourful. You don't need too many ingredients to make them, and they are a piece of cake to make.
4.43 from 111 votes
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Prep Time 15 minutes
Cook Time 20 minutes
Additional Time 1 hour
Total Time 1 hour 35 minutes
Course Dinners
Servings 6
Calories 211 kcal

Ingredients
 
 

  • 1/2 medium onion
  • 2 cloves garlic
  • 275 grams mushrooms
  • 80 grams walnuts
  • 185 grams black beans
  • 75 grams fresh or dry bread crumbs Use GF bread if needed
  • 1 egg substitute (or an actual egg) *See recipe notes
  • 2 teaspoons Vegetarian Worcestershire sauce *Soy sauce also works
  • 1 teaspoon salt
  • 2 teaspoons oil for frying

Instructions
 

  • Load up your food processor with the walnuts, chopped onion, garlic, and mushrooms. Pulse until you have a coarsely but evenly chopped mixture.
  • Heat a sauté pan over medium-high heat and add a teaspoon of oil. Transfer the mushroom walnut mixture to the pan, and fry, while stirring, for 7-9 minutes. While that’s cooking, grind the black beans in the food processor until they are coarsely chopped.
  • Remove the pan from the heat and allow the mixture to cool for several minutes before stirring in the bread crumbs, the chopped black beans, the Worcestershire sauce and the egg substitute. Mix well to combine, and chill the burger mixture for 20 minutes to an hour.
  • Divide the mixture into six portions, and form into patties. You might need to wet your hands for this part so the mixture doesn’t stick to your hands.
  • Add a drizzle of oil to a large nonstick or cast-iron pan or griddle, and heat over medium-high. When the pan is hot, lay the patties into the pan (be careful not to splash hot oil on yourself). Cook for 4-5 minutes on one side, then flip them and cook for another 3-4 minutes.
  • Dress up your bun of choice with whatever toppings you fancy, and you’ve got burgers!

Video

Notes

Egg substitutes

  1. Use 60-70 grams (1/4 cup) of the juice from the can of black beans
  2. Make a flax egg by mixing 1 Tbsp ground flax seed with 2.5 Tbsp water and letting it sit for 5 minutes
  3. Use "Just Egg" or another store bought egg substitute
 
Wondering about other allergy/sensitivity-friendly modifications? My mom wrote a companion article sharing her experience to help guide you.

Nutrition

Serving: 1pattyCalories: 211kcalCarbohydrates: 20.4gProtein: 9.2gFat: 11.3gSaturated Fat: 1.1gCholesterol: 27mgSodium: 544mgPotassium: 334mgFiber: 3.7gSugar: 3.3gCalcium: 52mgIron: 3mg
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