Cheeseburger Tater Tot Casserole

Name: Cheeseburger Tater Tot Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 1 lb extra-lean ground beef; 1 yellow onion, diced; 1 green pepper, diced; 2 cloves garlic, minced; 1 tbsp taco seasoning; 1 tsp Worcestershire sauce; Salt & pepper, to taste; 1 (800g) bag frozen tater tots; 1 cup shredded cheddar cheese; 2 green onions, sliced; 1 tomato, diced; Sour cream, to serve