Ingredients

• 2 pounds yellow onions
• 4 tablespoons unsalted butter
• 1 teaspoon dried thyme
• 2 teaspoons all-purpose flour
• 3/4 cup dry white wine, such as Sauvignon Blanc or Pinot Grigio
• 4 cups low-sodium beef stock
• 1 1/2 cups water
• 1 small baguette
• 4 to 6 ounces Gruyere or Emmental cheese, grated
• Special equipment:
• Soup bowls or ramekins that can be put under the broiler

Serves 4 to 6 as a main