French Onion Soup Casserole recipe

All Recipes Best Recipe Side Dish Casseroles

Ingredients

5 tablespoons salted butter, divided
4 medium onions, chopped
2 tablespoons all-purpose flour
1 pinch ground black pepper
¾ cup beef broth
¼ cup dry sherry
1 ½ cups plain croutons
½ cup shredded Swiss cheese
3 tablespoons grated Parmesan cheese

Nutrition Info

254.2 calories
carbohydrate: 17.2 g
cholesterol: 46.3 mg
fat: 16.6 g
fiber: 1.7 g
protein: 8.9 g
saturatedFat: 10.3 g
servingSize: -
sodium: 359.3 mg
sugar: 3.5 g
transFat: : -
unsaturatedFat: : -

Directions

  1. Set an oven rack about 6 inches from the heat source and preheat the oven's broiler.

  2. Heat 3 tablespoons of butter in a pot over medium-high heat. Cook onions in the hot butter until tender, 5 to 7 minutes. Blend in flour and pepper. Add broth and sherry, cook and stir until thickened and bubbly. Pour into a 1-quart casserole dish.

  3. Melt remaining 2 tablespoons butter and toss with croutons. Spoon over onion mixture. Sprinkle with Swiss and Parmesan cheeses.

  4. Place under the preheated broiler just until cheeses melt, about 5 minutes. Serve immediately.

Recipe Yield

6 servings

Recipe Note

I love this casserole at Thanksgiving!

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