French Onion Soup Casserole

🍲 Instructions:

1. Caramelize the onions:
   In a large skillet, melt butter and olive oil over medium heat. Add sliced onions, salt, pepper, and sugar.
   Cook for 25–30 minutes, stirring occasionally, until the onions turn a deep golden brown.
2. Add flavor:
   Stir in garlic, Worcestershire sauce, and thyme. Cook another minute, then pour in the beef broth.
   Simmer for 10 minutes, letting the flavors blend beautifully.
3. Prepare your baking dish:
   Lightly grease a 9×13-inch casserole dish.
   Layer half the toasted bread slices on the bottom.
4. Assemble:
   Spoon half the onion mixture over the bread, then sprinkle with half the cheese.
   Repeat the layers: bread, onions, and the rest of the cheese on top.
5. Bake:
   Preheat your oven to 375°F (190°C).
   Cover the dish with foil and bake for 20 minutes.
   Remove the foil and bake another 10–15 minutes, until bubbly and golden brown on top.
6. Serve:
   Let rest for a few minutes before serving — the aroma is irresistible!
   Pair with a fresh green salad or roasted vegetables for a complete meal.

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💡 Tips:

• For a deeper flavor, use homemade beef broth or add a splash of sherry to the onion mixture.
• You can prepare it ahead of time and bake just before serving.
• Try topping with crispy fried onions for extra texture.

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