French Onion Soup Casserole

This casserole is my favorite for Thanksgiving!

Prep Time: 15 mins
Cook Time: 15 mins
Total Time: 30 mins
Servings: 6
Yield: 6 servings

Ingredients

  1. 5 tablespoons salted butter, divided
  2. 4 medium onions, chopped
  3. 2 tablespoons all-purpose flour
  4. 1 pinch ground black pepper
  5. ¾ cup beef broth
  6. ¼ cup dry sherry
  7. 1 ½ cups plain croutons
  8. ½ cup shredded Swiss cheese
  9. 3 tablespoons grated Parmesan cheese

Instructions

  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.

Nutrition Facts

Calories 254 kcal
Carbohydrate 17 g
Cholesterol 46 mg
Dietary Fiber 2 g
Protein 9 g
Saturated Fat 10 g
Sodium 359 mg
Sugars 4 g
Fat 17 g
Unsaturated Fat 0 g

 

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