Ingredient
• 1 pound onions, thinly sliced
• 1-2 tablespoons margarine or butter
• 1⁄2 teaspoon dry mustard
• 2 teaspoons flour
• 1 quart Fragrant Beef Stock or beef broth
• 1⁄2 cup dry white wine (optional)
• Salt and pepper, to taste
• 4 slices French bread, toasted
• 1⁄2 cup (2 ounces) shredded Parmesan cheese
Preparation
1. Cook onions in margarine in large saucepan over medium to medium-low
heat until golden, 15 to 20 minutes; stir in mustard and flour and cook 1 to
2 minutes.
2. Combine onion mixture and remaining ingredients, except salt, pepper,
bread, and cheese, in slow cooker; cover and cook on low 6 to 8 hours.
Season to taste with salt and pepper. Sprinkle bread with cheese; broil until
melted, 1 to 2 minutes. Top each bowl of soup with bread slices.