Mushroom Cheeseburger Casserole

This Mushroom Tater Tot Cheeseburger Casserole is a hearty, crowd-pleasing comfort food classic. It layers savory ground beef, earthy mushrooms, creamy sauce, gooey cheese, and crispy tater tots into one satisfying bake—perfect for busy weeknights or potluck dinners.
Ingredients:
1 tablespoon olive oil
1 lb ground beef
1 small onion, diced
8 oz mushrooms, sliced
2 cloves garlic, minced
1 teaspoon salt
½ teaspoon black pepper
1 tablespoon Worcestershire sauce
1 can (10.5 oz) cream of mushroom soup
½ cup sour cream
1 ½ cups shredded cheddar cheese, divided
1 bag (32 oz) frozen tater tots
Fresh parsley or green onions (optional, for garnish)

Instructions:
Preheat oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
In a large skillet over medium heat, add olive oil. Cook ground beef and onion until the beef is browned and onion is soft, about 6–7 minutes.
Add mushrooms and cook until they’re tender and most of the moisture has evaporated, about 5 minutes more. Stir in garlic, salt, pepper, and Worcestershire sauce.
Reduce heat to low and stir in the cream of mushroom soup and sour cream. Mix until smooth and heated through.
Stir in 1 cup of shredded cheddar cheese. Once melted, transfer the mixture into the prepared baking dish and spread evenly.
Arrange the tater tots in a single layer on top of the beef mixture. Sprinkle the remaining ½ cup of cheddar cheese over the tots.
Bake uncovered for 35–40 minutes, or until the tater tots are golden and the casserole is bubbly.
Let rest for 5 minutes before serving. Garnish with parsley or green onions if desired.

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