Slow Cooker John Wayne Casserole

Name: Slow Cooker John Wayne Casserole
Prep time: 20 min
Cook time: 4 h 40 min
Total time: 5 h
Cuisine: American
Ingredients: 32 oz. bag tater tots ((frozen, not thawed)); 1 lb. ground beef; 1 small yellow onion (diced); 1 green bell pepper (diced); 1 oz. taco seasoning mix ((I use Lawry's)); water (add the amount of water to the meat that the taco mix says to add, 2/3 cup is what my packet said); 16 oz. sour cream; 8 oz. sharp cheddar cheese (divided, half in sour cream mixture and half on top at the end); 1/8 tsp. salt; 1/4 tsp. pepper; 1/2 tsp. onion powder; diced tomatoes; bell peppers