Cheesy One-Pan Chicken Enchilada Skillet Casserole

Ingredients

• 2 tablespoons olive oil
• 1 cup fresh or frozen corn kernels
• 1/2 cup diced green bell pepper
• 1/2 cup diced red bell pepper
• 1/2 cup diced onion
• 1 (5-ounce) package baby spinach
• 2 1/2 cups shredded cooked chicken breast
• 1 (8-ounce) pouch red or green enchilada sauce
• 1 1/4 cups prepared fresh salsa
• 8 corn tortillas (5- or 6-inch), cut into 1-inch-thick strips
• 1 1/2 cups shredded reduced-fat Cheddar cheese
• 1 cup coarsely chopped grape tomatoes
• 1/4 cup chopped fresh cilantro
• 1/4 cup matchstick-cut radishes