Recipe information
Ingredients for - French Onion Soup Casserole
How to cook deliciously - French Onion Soup Casserole
1. Stage
Set an oven rack about 6 inches from the heat source and preheat the oven's broiler.
2. Stage
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. Stage
Melt remaining 2 tablespoons butter and toss with croutons. Spoon over onion mixture. Sprinkle with Swiss and Parmesan cheeses.
4. Stage
Place under the preheated broiler just until cheeses melt, about 5 minutes. Serve immediately.