The Ultimate Vegetarian Protein Burger Vegetarian food doesn’t have to be boring. Try this delicious vegetarian protein burger. Ingredients 1 can of chickpeas 500 g mushrooms ½ teaspoon salt ½ teaspoon garlic powder (optional) ¼ teaspoon onion powder 2 tablespoons cake flour (or flour of choice) ½ cup panko breadcrumbs 1 egg Instructions Drain, rinse