Compare prices between a 12-ounce can and two 6-ounce cans - the larger cans aren't always a better buy.
Stir together first 11 ingredients. Shape mixture into 6 patties.
Melt half of butter in a skillet over medium-high heat. Cook 3 patties 4 minutes on each side or until golden. Repeat with remaining butter and patties. Serve over salad greens, and top with Mango-and-Bell Pepper Salsa.