French Onion Tater Tot Casserole
This rich and comforting casserole combines all the savory flavors of French onion soup with hearty ground beef, caramelized onions, mixed vegetables, and a cheesy tater tot topping. Perfect for cozy dinners and family gatherings.
Ingredients
- 2 tablespoons butter
- 2 tablespoons olive oil
- 2-3 medium yellow onions thinly sliced
- 1 cup dry white wine divided
- 1 pound ground beef
- 2 cloves garlic minced
- 16 oz mixed frozen veggies thawed
- 2 teaspoons dried thyme
- 2 teaspoons dried parsley
- 2 tablespoons flour
- 1/4 cup soy sauce
- 1 tablespoon Worcestershire sauce
- 1/4 teaspoon cayenne pepper
- 1 cup water
- 1 cup shredded Gruyere cheese
- 2 pounds frozen tater tots
- 1 cup shredded cheddar cheese
- fresh chives for topping, optional
- salt and pepper to taste
Instructions
- Preheat oven to 425°F.
- In a large oven-safe skillet, melt butter and olive oil with onions. Cook about 5 minutes until softened.
- Add half of the white wine a little at a time and cook for 8–10 minutes until onions are caramelized.
- Push onions to one side of the skillet and add ground beef, veggies, garlic, thyme, parsley, salt, pepper, and cayenne. Cook 5 minutes, breaking up the meat as it browns.
- Stir in flour and cook for 1 minute. Add the remaining wine, soy sauce, Worcestershire, and water. Bring to a simmer and cook 3–5 minutes until thickened.
- Remove from heat and sprinkle with Gruyere cheese. Top with an even layer of frozen tater tots.
- Bake for 20 minutes until tater tots are golden. Remove and sprinkle with cheddar cheese. Return to oven and bake 10–15 more minutes until cheese is melted.
- Top with fresh chives if desired and serve hot.
Notes
You can use a cast iron skillet or transfer everything to a 9x13 baking dish before topping with tater tots if you don’t have an oven-safe skillet. Add a splash more wine or broth if you prefer a saucier filling.
Nutrition
Calories: 510kcal
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