Step 1

Add to crock pot:

• Peel and slice 8 medium onions
• 1/4 cup butter
• 1 tsp. salt
• 2 Tbls. balsamic vinegar

Cook in crock pot on low for about 8 hours

Step 2

• Add 1 container of broth(about 4 cups) I used org. chicken broth from Costco
• 1/4 – 1/2 tsp. thyme
• 2 bay leaves
• 1/2 tsp. black pepper

Cook in crock pot on high for about 1 more hour

Step 3

1. Ladle soup into oven proof
2. Sprinkle with cheese. (I used mozzarella and asiago, but traditionally they use gruyere cheese)
3. (Optional – Float a slice of toasted bread, (buttered) in each bowl)
4. Broil in oven until cheese melts