Taco Bake Casserole

Ingredients (11)

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