French Onion Soup Casserole

This side dish has all the delicious flavor of French onion soup, in a casserole! Try it for your next holiday party.

• Preparation Time: 15 mins
• Cooking Time: 15 mins
• Total Time: 30 mins
• Calories: 254 Calories

Ingredients

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

Recipe Instructions

Step 1

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.

Step 2

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

Step 3

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

Step 4

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