French Onion Soup - College Inn

Ingredients

• 4 Tbsp. unsalted butter
• 2 1/2 lb. yellow onions (about 4 medium), very thinly sliced
• 1/4 tsp. baking soda
• 2 Tbsp. all-purpose flour
• 1/2 cup dry white wine
• 1 Tbsp. dry sherry (optional)
• 2 cartons (32 oz. each) College Inn® Beef Broth
• 4 fresh thyme sprigs, or 1/2 tsp. dried thyme
• 2 bay leaves
• 2 cups shredded Gruyère cheese (about 6 oz.)
• 2 Tbsp. chopped fresh parsley
• 18 slices baguette, 1/2-inch thick each