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Ultimate Veggie Burger | Zestful Kitchen

Ultimate Veggie Burger

  • Author: Lauren Grant of Zestful Kitchen
  • Yield: 68 regular size burgers or 2025 mini burgers 1x


This veggie burger is stuffed with veggies on the inside and stacked with even more on the outside. Made with carrot, mushrooms, peppers, lentils, beans, oats, nuts, and seeds, this is the only recipe you’ll need for homemade veggie burgers.


  • 1 tablespoon vegetable oil
  • ¼ cup onion, chopped
  • 2 stalks celery, diced
  • 1 large carrot, peeled and diced
  • 1 cup button mushrooms, chopped
  • 3 teaspoons garlic, minced
  • ½ cup roasted red peppers, roughly chopped
  • 1 cup black beans, rinsed and drained
  • 1 cup cooked lentils
  • 1 cup whole-grain flour of choice, gluten-free if needed
  • ½ cup old-fashioned oats
  • ¼ cup sunflower seeds
  • ¼ cup walnuts, chopped
  • 2 teaspoons paprika
  • 2 teaspoons chili powder
  • 2 tablespoons parsley, chopped
  • 1 tablespoon cider vinegar
  • Salt and black pepper to taste

Optional toppings:

  • Avocado
  • Tomato
  • Spicy Mayo
  • Arugula
  • Charred onion


In a large skillet heat oil over medium until simmering. Add onion, celery, carrot and mushrooms. Cook until vegetables are soft and onion is translucent, about 10 minutes.

Removed cooked vegetables from skillet and transfer to blender or food processor. Add roasted red peppers and puree until it forms a paste, scraping down sides as needed. Transfer vegetable paste to a mixer fitted with a paddle attachment. Add black beans, lentils, flour, oatmeal, sunflower seeds, walnuts, chili powder, paprika and parsley.

Mix on low speed until well combined, 3-5 minutes, scraping down sides of the bowl as needed. Add cider vinegar and mix to incorporate. Taste and adjust seasoning with salt, pepper and additional cider vinegar.

Cover and refrigerate mixture for at least 6 hours to allow flour and oatmeal to hydrate.

Form into patties and grill over medium heat 7 minutes on each side or until heated throughout and just starting to crisp on outside. Can’t grill? Bake burgers at 375° F for 15-20 minutes or until sides are starting to crisp, flipping halfway through.

I like to pile mine high on a lightly grilled Portobello with spicy mayo, arugula, charred tomato, avocado and tomato. These are also great served atop a lightly toasted bun.


For a quick spicy mayo combine mayo with any hot sauce or hot spice. I combine mayo, lime juice, chili or chipotle powder and paprika. Sriracha, tobacco and cayenne pepper are also great heat sources.

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