Southwestern Pinto Bean and Veggie Burgers with Slaw

Name: Southwestern Pinto Bean and Veggie Burgers with Slaw
Ingredients: 3/4 cup frozen corn; 1 tablespoon plus 2 teaspoons olive oil; 1 red bell pepper, diced; 1 medium shallot, finely chopped; Kosher salt and freshly ground black pepper; 2 teaspoons minced chipotle peppers in adobo sauce; 1 teaspoon ground coriander; 1 teaspoon ground cumin; 1 large clove garlic, minced; One 15-ounce can pinto beans, drained, rinsed and patted dry; 1 large egg; 1/2 cup finely diced Cheddar (about 2 ounces); 6 tablespoons cornmeal; 1/2 cup chopped fresh cilantro; 2 tablespoons mayonnaise; Juice of 1 lime; 1 small serrano chile, seeded if desired and minced, optional; Kosher salt; 2 cups packaged coleslaw mix; 1 ripe avocado, cut into 8 to 12 slices, for serving