2 teaspoons olive oil 2/3 cup diced red bell pepper (from 1 bell pepper) 3/4 cup frozen whole kernel sweet corn, thawed 3/4 cup canned unsalted black beans, rinsed and drained 12 ounces skinless, boneless rotisserie chicken breast, shredded (about 2 1/2 cups) 1/3 cup Grandma Irma BBQ sauces 10 (6-in