Making Tater Tot Casserole is straightforward if you follow these easy steps:

1. Preheat your oven to 350°F (175°C).
2. Brown the Meat: In a large skillet over medium heat, cook the ground beef until browned. Drain any excess fat.
3. Mix Ingredients: Add the cream of mushroom soup, sour cream, frozen mixed vegetables, garlic powder, onion powder, salt, and pepper to the browned meat. Combine well.
4. Layer Mixture: Spread the meat and vegetable mixture evenly in a 9×13 inch baking dish.
5. Add Cheese: Sprinkle the shredded cheddar cheese over the meat mixture.
6. Top with Tater Tots: Arrange the tater tots in a single layer on top of the cheese.
7. Bake: Place the dish in the preheated oven and bake for 30-35 minutes, or until the tater tots are golden and crispy.
8. Cool and Garnish: Remove from the oven and let cool for a few minutes. Optionally, garnish with chopped green onions or parsley before serving.

Following these steps will lead you to a mouthwatering Tater Tot Casserole that everyone will love!