Description
Crockpot French Onion Soup is a savory and comforting dish with rich caramelized onions, hearty beef broth, and melted Gruyère cheese. This slow-cooked classic offers all the indulgence of traditional French onion soup with minimal effort. Topped with crispy toasted French bread and gooey cheese, it’s the perfect meal for chilly evenings and a true crowd-pleaser.
Ingredients
4 large onions, thinly sliced
6 cups beef broth
2 tbsp butter
1 tsp sugar
1 tsp dried thyme
Salt and pepper, to taste
French bread, sliced and toasted
2 cups Gruyère cheese, shredded
Instructions
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Caramelize the onions: In a skillet, melt butter over medium heat. Add onions and cook, stirring occasionally, for 15-20 minutes until golden and caramelized. Sprinkle sugar over the onions during cooking.
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Transfer to the Crockpot: Move caramelized onions to the Crockpot and add beef broth, dried thyme, salt, and pepper. Stir to combine.
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Cook the soup: Cover and cook on low for 6-8 hours or high for 3-4 hours.
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Prepare the bread: Toast slices of French bread until golden and crispy.
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Assemble the soup: Ladle soup into oven-safe bowls. Top with toasted bread and shredded Gruyère cheese.
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Melt the cheese: Place bowls under a broiler for 3-5 minutes until the cheese is melted and bubbly.
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Serve: Carefully remove from the oven and serve hot.
Notes
Add fresh herbs like rosemary or bay leaves for extra flavor.
Deglaze the skillet with wine for deeper flavor before transferring to the Crockpot.
Substitute Gruyère with Swiss cheese or mozzarella if preferred.
For a gluten-free version, use gluten-free bread.
- Prep Time: 10 minutes
- Cook Time: 6-8 hours on low or 3-4 hours on high
- Category: Soup, Comfort Food, Crockpot Recipes
- Method: Slow Cooker
- Cuisine: French, Comfort Food
