Black Bean Smash Burgers with Caramelized Onions Recipe

Ingredients

• ½ of a 12-oz. package extra-firm silken tofu, drained
• 2 tablespoons ketchup
• 1 tablespoon red wine vinegar
• 1 tablespoon Dijon mustard
• ¼ teaspoon garlic powder
• 2 tablespoons dill pickle relish
• ½ cup coarsely chopped red bell pepper
• 2¼ cups chopped onions
• 2 cloves garlic
• 1 15-oz. can no-salt-added black beans, rinsed and drained (1½ cups)
• ¼ cup whole wheat panko
• ½ teaspoon ground cumin
• ¾ teaspoon freshly ground black pepper
• ½ teaspoon paprika
• 4 whole wheat hamburger buns, split and toasted
• 4 leaves butterhead or Bibb lettuce
• 4 to 8 tomato slices