For a plant-based option, try this vegan black bean air fryer hamburger recipe. Mash cooked black beans with diced onions, minced garlic, breadcrumbs, and your favorite spices like cumin and paprika. Shape the mixture into patties and cook them in the air fryer until they are crispy on the outside. Serve the black bean patties on toasted buns with toppings like avocado slices, lettuce, and vegan mayo. This vegan black bean air fryer hamburger is a delicious and nutritious choice!