Preheat your oven to 350°F (175°C). Grease your baking dish to prevent sticking.

In a large skillet over medium heat, brown the ground beef for 5 to 7 minutes, breaking it apart as it cooks.

Reduce the heat to low, stir in the cream of mushroom soup, milk, garlic powder, onion powder, salt, and pepper until well mixed and creamy.

Pour the beef mixture into the greased baking dish, spread it evenly, then add the drained corn and a layer of shredded cheese.

Arrange the frozen tater tots over the cheese layer, ensuring an even distribution.

Bake in the preheated oven for 30 to 35 minutes until the tater tots are golden brown and crispy.

Let the casserole cool for about 5 minutes before serving.