John Wayne loved this casserole so much, it’s named after him. Check out the recipe

2 tablespoons olive oil
1 onion, diced
1 pound ground beef
1 garlic clove, minced
1 teaspoon salt
½ teaspoon pepper
1 packet taco seasoning
¾ cup water
1 cup sour cream
2 cups shredded cheddar cheese, divided
1 (32-ounce) package frozen tater tots
1 (14-ounce) can diced green chiles