1
If grilling, preheat an outdoor grill for high heat, and lightly oil a sheet of aluminum foil. If baking, preheat oven to 375 degrees F (190 degrees C), and lightly oil a baking sheet.
2
In a medium bowl, mash black beans with a fork until thick and pasty.
3
In a food processor, finely chop onion, cilantro and garlic. Then stir into mashed beans.
4
In a small bowl, stir together egg, chili powder, cumin, and chili sauce.
5
Stir the egg mixture into the mashed beans. Mix in bread crumbs until the mixture is sticky and holds together. Divide mixture into five patties.
6
If grilling, place patties on foil, and grill about 8 minutes on each side. If baking, place patties on baking sheet, and bake about 10 minutes on each side.