Creating this Cheeseburger Tater Tot Casserole is straightforward if you follow these simple steps:

1. Preheat Oven: Start by preheating your oven to 425°F (220°C).
2. Brown Beef: In a large skillet over medium heat, brown the ground beef. Drain any excess fat.
3. Add Aromatics: Add the diced onion and minced garlic to the skillet and sauté until softened, about 4-5 minutes.
4. Mix in Soup: Stir in the cream of mushroom soup, cheddar cheese, ketchup, mustard, Worcestershire sauce, salt, and pepper. Mix until well combined.
5. Transfer to Baking Dish: Spoon the mixture into a 9×13-inch baking dish, spreading it evenly.
6. Top with Tater Tots: Arrange the frozen tater tots in a single layer on top of the casserole mixture.
7. Bake: Bake in the preheated oven for 35-40 minutes or until the tater tots are golden and crispy.
8. Add Optional Toppings: If desired, add sliced pickles and chopped green onions on top before serving.

These simple steps ensure that you create a mouthwatering dish that will impress everyone!