Ingredients:

Burger:
2 tablespoons olive oil
1 (15-ounce) can kidney beans,rinsed and drained
1 (15-ounce) can black beans,rinsed and drained
1/3 cup dry breadcrumbs
1/4 cup canned whole-kernel yellow corn,drained
1/4 cup pre chopped onion
1 large egg

Ketchup:
1/3 cup ketchup
1 teaspoon honey
1 teaspoon lime juice
1/2 teaspoon chipotle chili powder
1/2 teaspoon ground cumin

Remaining ingredients:
4 (2-ounce) Kaiser rolls or hamburger buns
4 lettuce leaves (optional)
4 (1/4-inch-thick) slices tomato (optional)

Directions:

To prepare burgers,heat oil in a large nonstick skillet over medium-high heat.Combine kidney beans and black beans in a large bowl;partially mash with a fork. Add breadcrumbs,corn,onion,and egg;stir until well blended.Form bean mixture into patties using BurgerMate.Add patties to pan;cook 4 minutes on each side or until crisp and beginning to brown.

To prepare ketchup,combine ketchup,honey,lime juice,chili powder,and cumin,stirring with a whisk.Spread 1 tablespoon ketchup on bottom half of each bun;top each serving with a patty,1 lettuce leaf and 1 tomato slice (if desired),and top half of bun.