Ingredients
- 3 large Onion sliced
- 3 tbsp Butter, Unsalted
- 2 tbsp Brown Sugar, Light
- 64 oz Beef Broth I use reduced sodium
- 1 tbsp Worcestershire Sauce
- 1 clove Garlic minced
1/3 cups Dry Sherry- 4 sprigs or 1 tsp dried Thyme
- 1 serving Bay Leaves
- 8 slices
3/4 cups Gruyere Cheese shredded1/2 cups shredded- 6 tbsp
Steps
- 1 In a large non-stick pan, cook onions, butter and brown sugar over medium low heat until golden and caramelized. (About 20 minutes).
- 2 Once golden, add to the slow cooker along with remaining ingredients except bread and cheeses.
- 3 Cook on low for 6-8 hours.
- 4 Remove and discard bay leaf and ladle the soup into bowls. Top with dry bread slices and cheeses. Broil 2-3 minutes or until cheese is melted and browned.