1. Preheat & Cook the Beef:

1. Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish.
2. In a large skillet over medium heat, cook ground beef with diced onion until browned (about 5-7 minutes). Drain excess grease.
3. Stir in garlic, salt, black pepper, garlic powder, onion powder, and smoked paprika. Cook for another 1-2 minutes.

2. Make the Creamy Filling:

1. Reduce heat to low and stir in cream of mushroom soup, sour cream, milk, Worcestershire sauce, and corn. Mix until well combined.
2. Remove from heat and stir in 1 cup of shredded cheddar cheese.

3. Assemble the Casserole:

1. Pour the beef mixture into the prepared baking dish and spread evenly.
2. Arrange frozen tater tots in a single layer over the top.
3. Sprinkle the remaining 1 cup of cheddar cheese over the tater tots.

4. Bake & Serve:

1. Bake uncovered for 35-40 minutes, or until the tater tots are crispy and golden brown.
2. Let cool for 5 minutes, then garnish with green onions if desired.
3. Serve hot and enjoy!