Onion Soup Casserole

Onion Soup Casserole

Welcome back to my blog, culinary explorers! Today, I’m excited to share a heartwarming recipe that combines the rich flavors of French onion soup with the comforting texture of a casserole. This Onion Soup Casserole is perfect for cozy evenings and gatherings. Let’s dive right in!

Ingredients:

• 1/4 cup unsalted butter
• 5 medium Vidalia onions, thinly sliced (about 3 lb.)
• 2 tsp. kosher salt
• 1/2 tsp. black pepper
• 3 thyme sprigs
• 2 flat-leaf parsley sprigs
• 2 bay leaves
• 1 (16-oz.) baguette, thinly sliced
• 1/3 cup all-purpose flour
• 3 cups reduced-sodium beef broth
• 1/2 cup sherry
• 8 oz. Gruyère cheese, shredded (about 2 cups)
• 1 tsp. fresh thyme leaves

Directions:

Cook Onions

1. Melt the butter in a Dutch oven over medium-low heat.
2. Add the onions, salt, pepper, thyme sprigs, parsley sprigs, and bay leaves.
3. Cook, stirring often, until the onions are golden brown, about 1 hour.

Toast Baguette Slices

1. Meanwhile, preheat the oven to 350°F.
2. Arrange the baguette slices in a single layer on a baking sheet.
3. Bake until lightly toasted, about 12 minutes. Set aside.

Make Sauce

1. Remove and discard the thyme and parsley sprigs and bay leaves from the onion mixture.
2. Add the flour to the onions and cook, stirring constantly, for 2 minutes.
3. Add the beef broth and sherry; bring to a boil over high heat.
4. Boil, stirring constantly, until slightly thickened, 2 to 3 minutes.

Assemble Casserole

1. Layer half of the toasted baguette slices in a 13- x 9-inch baking dish.
2. Spoon the onion mixture evenly over the bread.
3. Top evenly with the remaining baguette slices.
4. Sprinkle with the shredded Gruyère cheese; cover with aluminum foil.

Bake Casserole

1. Bake in the preheated oven for 30 minutes.
2. Increase the heat to broil.
3. Remove the foil and broil until the cheese is bubbly, about 3 minutes.
4. Sprinkle with fresh thyme leaves.

Nutritional Information:

• Prep Time: 1 hour 20 minutes
• Cooking Time: 45 minutes
• Total Time: 2 hours 5 minutes
• Calories: 450 kcal per serving
• Servings: 6

Conclusion

This Onion Soup Casserole is a delightful twist on a classic French dish. The caramelized onions, toasted baguette slices, and melty Gruyère cheese make it a rich and comforting meal. Perfect for a family dinner or a gathering with friends, this dish is sure to be a hit.

Enjoy and happy cooking! Don’t forget to share your photos and experiences in the comments below. Until next time, happy eating!

Onion Soup Casserole

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• Author: Dulcia
• Total Time: 2 hours 5 minutes
• Yield: 6 1x

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Ingredients

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1/4 cup unsalted butter
5 medium Vidalia onions, thinly sliced (about 3 lb.)
2 tsp. kosher salt
1/2 tsp. black pepper
3 thyme sprigs
2 flat-leaf parsley sprigs
2 bay leaves
1 (16-oz.) baguette, thinly sliced
1/3 cup all-purpose flour
3 cups reduced-sodium beef broth
1/2 cup sherry
8 oz. Gruyère cheese, shredded (about 2 cups)
1 tsp. fresh thyme leaves

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Instructions

Cook onions:
Melt butter in a Dutch oven over medium-low; add onions, salt, pepper, thyme, and parsley sprigs, and bay leaves; cook, stirring often, until onions are golden brown, about 1 hour.

Toast baguette slices:
Meanwhile, preheat oven to 350°F. Arrange baguette slices in a single layer on a baking sheet. Bake until lightly toasted, about 12 minutes. Set aside.

Make sauce:
Remove and discard thyme and parsley sprigs and bay leaves from onion mixture. Add flour, and cook, stirring constantly, 2 minutes. Add broth and sherry; bring to a boil over high. Boil, stirring constantly, until slightly thickened, 2 to 3 minutes.

Assemble casserole:
Layer half of the toasted baguette slices in a 13- x 9-inch baking dish. Spoon onion mixture evenly over bread. Top evenly with remaining baguette slices. Sprinkle with cheese; cover with aluminum foil.

Bake casserole:
Bake in preheated oven 30 minutes. Increase heat to broil. Remove foil; broil until cheese is bubbly, about 3 minutes. Sprinkle with fresh thyme leaves.

• Prep Time: 1 hour 20 minutes
• Cook Time: 45 minutes

Nutrition

• Calories: 450 Kcal