Slow Cooker French Onion Soup

 

3

large onions, sliced (3 cups)

3

tablespoons margarine or butter, melted

3

tablespoons all-purpose flour

1

tablespoon Worcestershire sauce

1

teaspoon sugar

1/4

teaspoon pepper

4

cans (14 1/2 ounces each) ready-to-serve beef broth

8

slices French bread, 1 inch thick

3/4

cup shredded mozzarella cheese (3 ounces)

2

tablespoons grated or shredded Parmesan cheese

• 1 Mix onions and margarine in 3 1/2- to 6-quart slow cooker.
• 2 Cover and cook on high heat setting 30 to 35 minutes or until onions begin to slightly brown around edges.
• 3 Mix flour, Worcestershire sauce, sugar and pepper. Stir flour mixture and broth into onions. Cover and cook on low heat setting 7 to 9 hours (or high heat setting 3 to 4 hours) or until onions are very tender.
• 4 Prepare Cheesy Broiled French Bread. Place 1 slice bread on top of each bowl of soup. Serve immediately.