01 -
Heat olive oil or butter in a large skillet over medium-high heat. Add the chopped onion and cook until translucent, about 3 minutes. Add the ground beef and cook, breaking it apart with a spatula, until fully browned. Drain excess fat if necessary. Stir in the crumbled bacon and season with salt, black pepper, and optional garlic or onion powder. Remove from the heat.
02 -
In a large mixing bowl, combine cream of mushroom soup, sour cream, and milk. Whisk until the mixture is smooth. Fold in half of the shredded cheese (100 g); reserve the rest for later.
03 -
Preheat oven to 190°C (375°F). Grease a 33 x 23 cm baking dish. Evenly spread the beef and bacon mixture across the bottom. Pour the creamy sauce over the beef layer and smooth with a spatula. Arrange frozen tater tots in a single layer on top.
04 -
Place the baking dish on the center rack and bake for 30–35 minutes, or until the tater tots are crisp and golden brown. Remove from oven, sprinkle remaining shredded cheese evenly over the surface, and return to bake for 5–7 more minutes until cheese is fully melted and bubbling.
05 -
Allow casserole to cool for a few minutes before slicing. Garnish with chopped fresh parsley or chives, if desired. Serve hot.