Mexican Enchilada Casserole

Ingredients (12)

• + cooking spray add to pantry
• + 1 ½ cups canned tomato sauce add to pantry
• + ⅓ cup chili powder (such as Gebhardt®) add to pantry
• ✓ ½ cup water, or as needed
• + 1 ½ pounds ground turkey add to pantry
• + 1 ½ cups chopped onion add to pantry
• ✓ 2 (1 ounce) packages taco seasoning mix, divided
• + 16 (5 inch) corn tortillas, cut in half add to pantry
• + 3 cups shredded sharp Cheddar cheese add to pantry
• + 3 cups shredded Monterey Jack cheese add to pantry
• + 1 ½ (10 ounce) bags shredded iceberg lettuce add to pantry
• + 2 cups chopped fresh tomatoes add to pantry