Prep: 1. Chop: onion, garlic, and cilantro. 2. Grate ginger. 3. Rinse black beans. 4. Juice lime. Make: 1. In a skillet on medium heat, melt 1 tablespoon butter, add onion and garlic, and cook 4 minutes. 2. Stir in cumin, coriander, red pepper, 1/2 teaspoon salt, and 1/4 teaspoon black pepper; cook 30 seconds, stirring. 3. Remove from heat. Stir in panko and lime juice. 4. Place beans in a bowl; coarsely mash with a fork. 5. Stir in egg and onion mixture. 6. Divide into 4 portions, gently shaping each into a 1/2-inch-thick patty. 7. Heat remaining 1 tablespoon butter in pan over medium-high heat. 8. Add patties and cook 3 minutes on each side or until browned. 9. For sauce, combine sour cream, cilantro, ginger, 1/4 teaspoon salt, and 1/4 teaspoon black pepper. Serve patties with sauce.
We like to top this with sliced avocado, tomato, arugula and red onion.