Slow Cooker French Onion Soup

Yield: 8 servings

Prep: 15

Cook: 10 5

Total: 10 20

Did you know you can make French onion soup in the crockpot?! It's ridiculously easy with basically no stirring and no work!

4.8 stars (26 ratings)

Ingredients

3 pounds sweet onions, thinly sliced
3 tablespoons unsalted butter, melted
2 teaspoons brown sugar
Kosher salt and freshly ground black pepper, to taste
6 sprigs fresh thyme
1 bay leaf
6 cups beef stock
2 teaspoons sherry vinegar
1 French baguette, sliced
1 cup shredded gruyère cheese
1 cup shredded asiago cheese

Equipment

Instructions

Place onions into a 6-qt slow cooker.
Stir in butter, brown sugar and 1 teaspoon salt; top with thyme and bay leaf. Cover and cook on high heat for 8-10 hours, or until onions are caramelized and browned.*
Stir in beef stock and sherry; season with salt and pepper, to taste. Cover and cook on high heat for 2-3 hours, or until heated through. Remove and discard thyme and bay leaf.
Preheat oven to broil.
Place baguette slices onto a baking sheet. Place into oven and broil until golden brown on both sides, about 1-2 minutes per side; set aside.
Divide soup into ramekins or ovenproof bowls. Place onto a baking sheet. Top with baguette slices to cover the surface of the soup completely; sprinkle with cheeses.
Place into oven and broil until golden brown and cheeses have melted; about 2 minutes.
Serve immediately.

Notes

Stir halfway, as needed, to prevent burning.

This Slow Cooker French Onion Soup recipe is brought to you by DAMN DELICIOUS

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