Taco Bake Casserole

Details

Ingredients

• cooking spray (such as Pam®)
• 1 ½ pounds ground beef
• 1 cup chopped onion
• ½ cup water
• 1 (1 ounce) package taco seasoning mix
• 1 (10 ounce) can refried beans
• ½ cup salsa
• 1 (6 ounce) can sliced black olives
• 1 (4 ounce) can diced green chiles
• 15 taco shells, broken up, or more to taste
• 2 cups shredded Cheddar cheese