French Onion Soup with Mushrooms, Extra Herbs & Cheesy Croissant Topping
Ingredients:
4 large onions, thinly sliced
2 tablespoons unsalted butter
1 tablespoon olive oil
8 oz mushrooms, sliced (cremini or button)
4 cloves garlic, minced
1 teaspoon fresh thyme leaves (or 1/2 teaspoon dried thyme)
1 teaspoon fresh rosemary, chopped (or 1/2 teaspoon dried rosemary)
1/2 teaspoon salt
1/4 teaspoon black pepper
6 cups beef or vegetable broth
1/2 cup dry white wine (optional)
1 tablespoon balsamic vinegar
4 large croissants, cut into halves
8 oz Gruyère cheese, grated
Fresh parsley for garnish (optional)
Directions:
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