French Onion Soup Recipe
"When you’re in the mood for a warm and savory comfort food, this slow cooker French onion soup is a great choice as it’s a classic and amazingly delicious. This is a long, slow dish to cook that adds a nice aroma to your home. Despite the length of time, this is an easy recipe with mostly hands-off time while the slow cooker does the work. This recipe only takes 10 minutes to prep and then you let it cook in the slow cooker. A good French onion soup starts with caramelized onions. If you do it on the stove, this single step will take around 40 minutes. I don’t have the patience for that. So a better way of cooking the onion, in my opinion, is to caramelize it in a slow cooker, completely hands off."
Serves6
Preparation Time10 min
Cooking Time2 hr 24 min
Ingredients
- 3 pounds yellow onions, peeled and sliced
- 2 tablespoons olive oil
- 1 teaspoon salt, plus more to taste
- Freshly ground black pepper
- 2 tablespoons balsamic vinegar
- 10 cups beef bone broth or beef broth
- 3 tablespoons Sherry, optional
- 6 baguette slices for each bowl
- 1 1/3 to 2 cups grated or shaved Gruyere cheese
- Chopped parsley for garnishing
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Place onions in a 6-quart slow cooker. Stir in butter and olive oil. Season with salt and pepper. Cover and cook on low for 12 hours.
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Add balsamic vinegar and beef bone broth into the slow cooker. Add Sherry if using.
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Cover and cook on low for another 6-8 hours.
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Preheat oven to 350°F.
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Portion and ladle the soup and onions into oven-safe bowls and place the bowls on a baking sheet.
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Top each bowl with a slice of toast and a generous amount of grated or shaved Gruyere cheese.