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.

In a medium bowl, mash black beans with a fork until thick and pasty.

In a food processor, finely chop bell pepper, onion, and garlic. Then stir into mashed beans.

In a small bowl, stir together egg, chili powder, cumin, and chili sauce.

Stir the egg mixture into the mashed beans. Mix in bread crumbs until the mixture is sticky and holds together. Divide mixture into four patties.