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Ingredients

• 4 Tbs. (1/2 stick) unsalted butter
• 4 Tbs. olive oil
• 2 lb. yellow onions, thinly sliced
• 1/2 tsp. sugar
• 1/2 tsp. salt
• 1 1/2 Tbs. all-purpose flour
• 2 quarts beef stock, homemade (see related recipe at left) or purchased
• 1/2 cup dry white wine
• 1 tsp. freshly ground pepper
• 12 to 16 French bread slices, each 1/2 inch thick
• 3 garlic cloves, halved
• 1/2 lb. Gruyère cheese, shredded

Description

The Onions Can Be Caramelized A Day Ahead. Let Cool To Room Temperature, Then Transfer To An Airtight Container, Cover And Refrigerate Until You Are Ready To Finish The Soup.

Williams-Sonoma