french onion casserole
This French onion casserole is a comforting dish that combines caramelized onions, creamy cheese, and crusty bread, all baked to perfection. It's a hearty meal perfect for sharing with family and friends.
Equipment
- 1 large skillet
- 1 casserole dish (3-quart)
- 1 mixing bowl
- 1 wooden spoon
- 1 cheese grater (optional)
- 1 oven
Ingredients
- 6 large onions Thinly sliced (about 2.5 pounds).
- 4 tablespoons unsalted butter
- 1 tablespoon olive oil
- 2 teaspoons sugar
- 4 cups beef broth
- 1 cup heavy cream
- 1 teaspoon dried thyme
- to taste salt
- to taste pepper
- 1 baguette Sliced into 1-inch pieces.
- 2 cups shredded Gruyère cheese
- 1 cup grated Parmesan cheese
Instructions
- Preheat your oven to 350°F (175°C).
- In a large skillet, melt the butter and olive oil over medium heat. Add the sliced onions, stirring frequently. Cook the onions for about 25 minutes until they become golden brown and caramelized.
- During the last 5 minutes of cooking the onions, sprinkle in the sugar to enhance their sweetness.
- Add the beef broth, heavy cream, thyme, salt, and pepper to the skillet. Stir well to combine and bring to a simmer. Cook for another 5 minutes.
- In a mixing bowl, layer half of the baguette slices. Pour half of the onion and broth mixture over the bread. Sprinkle half of the Gruyère cheese and half of the Parmesan cheese over the top.
- Repeat the layering process with the remaining baguette slices, onion mixture, and cheeses.
- Place the casserole dish in the preheated oven and bake for 30 minutes, until the cheese is melted and bubbly and the top is golden brown.
- Remove from the oven and let cool for a few minutes before serving.
Notes
Feel free to add additional spices or herbs to enhance the flavor.
This casserole can be prepared ahead of time and baked just before serving for a convenient meal option.