Rich, deeply caramelized onions, flavorful broth, crusty bread, and plenty of melted cheese come together in this classic French comfort food. It takes a little time to caramelize the onions, but the result is absolutely worth it!
Ingredients
- 4 large yellow onions, thinly sliced
- 3 tablespoons butter
- 1 tablespoon olive oil
- 3 cloves garlic, minced
- 1 teaspoon sugar, optional
- ½ teaspoon salt, plus more to taste
- ½ teaspoon black pepper
- 1 teaspoon dried thyme
- 6 cups beef broth
- 1 tablespoon Worcestershire sauce
- ½ cup dry white wine, optional
- 1 baguette, sliced
- 1½–2 cups shredded Gruyère or Swiss cheese
- 2 tablespoons grated Parmesan, optional
Step-by-Step Instructions
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