1. In a food processor, combine black beans, bread crumbs, onion, garlic, chili powder, cumin, salt, and black pepper. Pulse until well mixed but still slightly chunky.
2. Form the mixture into 4 patties.
3. Heat olive oil in a skillet over medium heat. Cook the patties for about 4-5 minutes on each side, until golden brown and heated through.
4. Serve on buns with your favorite toppings.
Notes:
Feel free to add your favorite spices or toppings to customize these burgers to your taste.