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4.8 from 12 votes

Black Bean Mushroom Burger (Vegan!)

An easy, healthy bean burger that's hearty and satisfying. Plus you can make them ahead of time to bake when ready!

Prep Time
25 mins
Cook Time
25 mins
Total Time
55 mins
Servings: 4 large patties
Calories: 222 kcal
Course: Main Course
Cuisine: Vegan , gluten-free

Ingredients

  • 1 Tbsp. ground flax meal (+ 3 Tbsp. water)
  • 1 small yellow onion
  • 4 cloves garlic
  • 8 oz. mushrooms
  • 1 Tbsp. tamari
  • 1 Tbsp. balsamic vinegar
  • 15 oz. can black beans
  • 1/2 cup oat flour
  • 1/4 cup old-fashioned rolled oats
  • 3 Tbsp. fresh parsley
  • 1 tsp. dried oregano
  • 1 tsp. dried basil
  • 1/4 tsp. salt (or more to taste)
For serving (optional):
  • Hamburger buns, lettuce, tomatoes, onion, avocado, ketchup, BBQ sauce, chipotle crema, mustard, pickles, etc.

Instructions

    Cup of Yum
  1. Make the flax egg: In a small bowl, combine 1 Tbsp. flax with 3 Tbsp. water. Stir and set aside to thicken.
  2. Finely dice onion and mushrooms (wiped clean). Mince garlic.
  3. In a skillet over medium-high heat, sauté onion for 3-4 minutes. (I use 3 Tbsp. water/veggie broth for no-oil sauté method, adding more as needed.)
  4. Then add mushrooms, garlic, oregano, basil, and salt. Stir and sauté 7-8 minutes.
  5. Add tamari and balsamic vinegar. Stir and cook for 1 minute. Turn off heat.
  6. Rinse and drain black beans. Pat dry with paper towels to remove excess moisture.
  7. Place the black beans in a large bowl and lightly mash. Add flax egg, sautéed mushroom/onion mixture, oat flour, oats, and fresh parsley (chopped).
  8. Mix well to combine. Then shape into 4 large patties, or 5-6 smaller patties. Lightly wet your hands to prevent sticking if needed. (Note: They hold up best if you refrigerate the patties for at least an hour at this point, but they're fine baked right away too.)
  9. When ready to bake, preheat oven to 375°F (190°C). Line a baking sheet with parchment paper and place the patties on top.
  10. Bake for 15 minutes. Flip the burgers, then return to oven. Bake 15 more minutes. Remove from oven and let sit for 5-10 minutes to firm up. Then place on buns and add desired toppings.

Notes

  • Yield: This recipe makes 4 large patties or 5-6 small/medium patties.
  • Cheeseburger option: At the end of baking time, place a slice of vegan cheese on top of each patty and return to oven for 5 minutes to melt cheese. (Or place under the broiler for a minute, but watch carefully so they don't burn.)
  • Cheeseburger option: At the end of baking time, place a slice of vegan cheese on top of each patty and return to oven for 5 minutes to melt cheese. (Or place under the broiler for a minute, but watch carefully so they don't burn.)
  • Spices & seasoning: Change it up with cumin, smoked paprika, Italian seasoning, black pepper, etc. Or add 1 Tbsp. of vegan Worcestershire sauce for added flavor.
  • For gluten-free: Use GF oats & oat flour, and GF buns. (Or serve bun-free on fresh greens or lettuce wraps.)
  • Nutrition: Estimated nutritional content is calculated for the burger patties only, not buns and toppings.
  • Recipe originally published May 2012. Updated January 2024.

Nutrition Information

Calories 222kcal (11%) Carbohydrates 38g (13%) Protein 12g (24%) Fat 3g (5%) Saturated Fat 0.5g (3%) Polyunsaturated Fat 1g Monounsaturated Fat 1g Potassium 675mg (19%) Fiber 11g (44%) Sugar 3g (6%) Vitamin A 15IU (0%) Vitamin C 7mg (8%) Calcium 82mg (8%) Iron 4mg (22%)

Nutrition Facts

Serving: 4large patties

Amount Per Serving

Calories 222

% Daily Value*

Calories 222kcal 11%
Carbohydrates 38g 13%
Protein 12g 24%
Fat 3g 5%
Saturated Fat 0.5g 3%
Polyunsaturated Fat 1g 6%
Monounsaturated Fat 1g 5%
Potassium 675mg 14%
Fiber 11g 44%
Sugar 3g 6%
Vitamin A 15IU 0%
Vitamin C 7mg 8%
Calcium 82mg 8%
Iron 4mg 22%

* Percent Daily Values are based on a 2,000 calorie diet.