SEASON chicken with taco seasoning and PLACE on a baking sheet. SPOON salsa over chicken. ADD peppers and onions to baking sheet. LAYER peppers and onions over chicken and DRIZZLE with oil. SPRINKLE cheese on top. BAKE for 25 minutes, or until chicken is cooked through and juices run clear. SLICE chicken and DIVIDE among plastic containers with peppers, onions, black beans, corn, and cheese. STORE in the refrigerator for up to 4 days.