French Onion Soup

Name: French Onion Soup
Prep time: 15 min
Cook time: 1 h 10 min
Total time: 1 h 25 min
Cuisine: French
Ingredients: 4 tablespoons unsalted butter; 5 large yellow onions (thinly sliced); 1 teaspoon salt; 1 teaspoon granulated sugar; 2 cloves garlic (minced); 1/2 cup dry red wine ((see note)); 32 ounces low-sodium beef broth; 24 ounces low-sodium chicken broth; 1 tablespoon Worcestershire sauce; 2 sprigs fresh thyme; 1 bay leaf; 1/2 tablespoon balsamic vinegar; pinch of salt and freshly ground black pepper (to taste); 5 1-inch thick slices of French bread; 2 tablespoons olive oil; 1 & 1/2 cups shredded Gruyere Swiss cheese (room temperature); 1/4 cup shredded Mozzarella cheese (room temperature); 2 tablespoons finely grated Parmesan cheese (room temperature)

Instructions

Prep:15minCook:1h 10min

This homemade French Onion Soup recipe will knock your socks off! Made with the richest broth, perfect caramelized onions, and topped with three different types of melted cheese!

Updated at: Wed, 13 May 2026 00:38:42 GMT