01 -
Cook ground beef in a large skillet over medium heat, breaking it up until no pink remains. Drain excess fat, leaving a small amount for flavor.
02 -
Stir in corn, cream of mushroom soup, 1/2 cup cheddar cheese, milk, sour cream, onion powder, black pepper, and crumbled bacon. Mix until creamy and well combined.
03 -
Spread beef mixture evenly in a 9x13-inch baking dish. Sprinkle remaining 1/2 cup cheese on top, then arrange tater tots in a single layer without overlapping.
04 -
Bake uncovered at 375°F (190°C) for 40 to 45 minutes, until tater tots are golden brown and casserole is bubbling around the edges.
05 -
Sprinkle extra cheese over the top and return to oven for 5 more minutes until melted and bubbly. Let rest for a few minutes before serving.