Slow Cooker French Onion Soup
Slow Cooker French Onion Soup is the ultimate comfort dish, perfect for cozy evenings. With rich, caramelized onions simmered in a savory beef broth and topped with gooey Gruyère cheese and crusty baguette slices, this soup is sure to warm your heart and soul. Let your slow cooker do the work while you savor the enticing aroma wafting through your home.
- Prep Time: 15 minutes
- Cook Time: 6 hours
- Total Time: 6 hours 15 minutes
- Yield: Serves 6
- Category: Main
- Method: Slow Cooking
- Cuisine: French
Ingredients
Scale
- 4 large sweet yellow onions, sliced
- 4 cups low-sodium beef broth
- 4 tbsp unsalted butter
- 2 tsp fresh thyme (or 1 tsp dried thyme)
- 1 baguette, sliced
- 1 cup Gruyère cheese, shredded
Instructions
- Slice onions thinly and melt butter in a skillet over medium heat. Add onions and cook until golden brown, about 20-25 minutes.
- Transfer caramelized onions to a slow cooker. Add beef broth, thyme, salt, and pepper.
- Cook on low for 6 hours or high for 3 hours.
- Toast baguette slices until crispy.
- Serve soup in bowls topped with baguette slices and Gruyère cheese; broil until bubbly.
Nutrition
- Serving Size: 1 bowl (about 1.5 cups)
- Calories: 320
- Sugar: 6g
- Sodium: 800mg
- Fat: 15g
- Saturated Fat: 9g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 36g
- Fiber: 2g
- Protein: 11g
- Cholesterol: 35mg