Crockpot French Onion Soup
Crockpot French Onion Soup is the ultimate comfort food, perfect for chilly days. This hearty dish features sweet caramelized onions simmered in rich beef broth, topped with toasted baguette slices and gooey Gruyère cheese. It’s an easy, hands-off recipe that fills your home with a warm, inviting aroma and creates a cozy atmosphere for family gatherings or quiet nights in. With minimal prep time and maximum flavor, this soup is sure to become a beloved staple in your meal rotation.
- Prep Time: 15 minutes
- Cook Time: 6-8 hours
- Total Time: 0 hours
- Yield: Serves 6
- Category: Main
- Method: Slow Cooking
- Cuisine: French
Ingredients
Scale
- 4 large yellow onions, sliced
- 4 cups low-sodium beef broth
- 2 tablespoons unsalted butter
- 1 tablespoon olive oil
- 1 tablespoon fresh thyme (or 1 teaspoon dried thyme)
- 1 crusty baguette, sliced thickly
- 1 cup Gruyère cheese, shredded
Instructions
- Slice onions thinly and sauté them in a skillet with butter and olive oil over medium heat until caramelized (about 20-30 minutes).
- Transfer caramelized onions to the crockpot. Add beef broth and thyme.
- Cover and cook on low for 6-8 hours or on high for 3-4 hours.
- About 30 minutes before serving, toast baguette slices until golden brown.
- Serve soup in oven-safe bowls topped with toasted baguette slices and shredded Gruyère cheese. Broil until cheese is bubbly and golden.
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 289
- Sugar: 7g
- Sodium: 820mg
- Fat: 15g
- Saturated Fat: 9g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 31g
- Fiber: 2g
- Protein: 9g
- Cholesterol: 38mg