Name: French Onion Soup
Ingredients: ¼ cup unsalted butter; 3 lbs. sweet onions, sliced; 4 cloves garlic, minced; ⅓ cup dry white wine; 6 cups low sodium beef stock; 4 sprigs fresh thyme; 2 bay leaves; 2 tsp. white wine vinegar; Salt, to taste; Black pepper, to taste; 12 (½-inch) slices of baguette; 4 oz. Swiss cheese, shredded; 4 oz. Gruyere cheese, shredded