French Onion Soup Casserole

🧅🧀 French Onion Soup Casserole – Comfort Food at Its Best! 😍

This rich, cheesy casserole has all the flavors of classic French onion soup — caramelized onions, toasted bread, melted cheese — but baked into a warm, bubbly dish you can serve family-style. It’s cozy, simple, and deeply satisfying.

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🧅 Ingredients:

• 4 large yellow onions, thinly sliced
• 3 tbsp unsalted butter
• 1 tbsp olive oil
• 2 cloves garlic, minced
• 1 tsp sugar (to help caramelize the onions)
• 1 tsp salt
• ½ tsp black pepper
• 1 tbsp Worcestershire sauce
• 1 tsp fresh thyme (or ½ tsp dried thyme)
• 4 cups beef broth (or vegetable broth for a lighter version)
• 1 loaf French bread or baguette, sliced and toasted
• 2 cups shredded Gruyère cheese (or Swiss cheese)
• ½ cup shredded mozzarella cheese (optional, for extra gooeyness)

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