Slow Cooker French Onion Soup is one of our favorite meals to come home to! As with any traditional French onion soup, this recipe features a beefy broth loaded with caramelized onions and herbs and topped with an amazing Gruyere cheese topping!

PREP TIME 20 minutes

COOK TIME 6 hours

TOTAL TIME 6 hours 20 minutes

SERVINGS 8 servings

AUTHOR Holly

COURSE Soup

CUISINE French

 

Ingredients

  • 3 large white onions , sliced
  • 3 tablespoons butter
  • 2 tablespoons brown sugar
  • 64 oz Beef Broth (I use reduced sodium)
  • 1 tbsp Worcestershire sauce
  • 1 clove garlic , minced
  • 1/3 cup dry sherry
  • 4 sprigs fresh thyme (or 1 tsp dried Thyme)
  • 1 Bay Leaf
  • 8 slices dry french bread
  • 3/4 cup Gruyere cheese , shredded
  • 1/2 cup Emmental cheese , shredded
  • 6 tablespoons fresh parmesan cheese

Instructions

  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.

Recipe Notes

If you don't have dry bread, slice your loaf and dry it in the oven at 300 degrees for about 5-7 minutes. Cool completely.

 

Recipe courtesy of www.spendwithpennies.com