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This Slow Cooker French Onion Soup is simple to make and full of flavor. French onion soup is always one of my favorites to order at restaurants and now I love making it at home.
I don’t know what I love more, the flavorful soup or the bread in the soup covered in cheese. This Slow Cooker French Onion Soup is super simple to make and taste great.
Instructions:
Step one: Get started by placing your sliced onions and melted butter into the slow cooker and mix until onions are coated
Step two: Next in a small mixing bowl whisk together flour, Worcestershire sauce, brown sugar, thyme, oregano, and pepper. Then add this to slow cooker and mix to coat onions.
Step three: Now pour the beef broth into slow-cooker. Cover with the lid and cook on low for 6-8 hours
Cheese Toast:
Adding the cheese toast to your bread is optional but really one of the best parts about this soup.
Step four: To make the cheese toast slice french bread and place on a baking sheet. Top each slice of bread with shredded cheese.
Step five:Place in the oven on broil until cheese is melted and bubbly.
- PRO TIP: If you have soup bowls that are oven safe you can add the bread and cheese right to the bowl and then place it in the oven to broil.
Step six: Now it’s time to eat. Serve bread in a bowl of soup and enjoy.
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Slow Cooker French Onion Soup
Ingredients
- 3 cups sliced onions
- 3 tablespoons butter, (melted)
- 3 tablespoons flour
- 1 tablespoon Worcestershire sauce
- 1 teaspoon brown sugar
- 1 teaspoon thyme
- 1/2 teaspoon oregano
- 1/4 teaspoon pepper
- 60 oz beef broth
Optional Toasted Cheese Bread
- 1 loaf French bread
- 1 cup asiago cheese, (shredded)
Instructions
- Place sliced onions and melted butter into the slow cooker and mix until onions are coated.
- In a small mixing bowl whisk together flour, Worcestershire sauce, brown sugar, thyme, oregano, and pepper. Add to slow cooker and mix to coat onions.
- Pour beef broth into slow-cooker. Cover and cook on low for 6-8 hours.
Optional Toasted Cheese Bread
- Slice french bread and place on a baking sheet. Top each slice of bread with shredded cheese.
- Place in the oven on broil until cheese is melted and bubbly.
- Serve bread in a bowl of soup and enjoy.
Notes
Nutrition