Description
Crockpot French Onion Soup is a comforting classic that combines sweet, caramelized onions with rich beef broth, topped with a gooey layer of melted Gruyère cheese on crusty bread. This easy, slow-cooked recipe takes minimal effort and rewards you with an aromatic bowl of bliss perfect for chilly evenings or impressing guests. With just a few simple ingredients and your trusty crockpot, you can create a warm dish that will have everyone coming back for seconds.
Ingredients
Scale
- 4 large yellow onions, thinly sliced
- 4 tbsp unsalted butter
- 2 tsp sugar
- 1 tsp fresh thyme (or ½ tsp dried)
- 1 cup dry white wine
- 6 cups low-sodium beef broth
- Salt and pepper to taste
- 1 baguette or crusty bread, sliced
- 2 cups Gruyère cheese, shredded
Instructions
- In a skillet over medium heat, melt the butter and add sliced onions. Cook until soft and golden brown (about 30 minutes).
- Transfer caramelized onions to the crockpot. Stir in sugar, thyme, and deglaze with white wine.
- Add beef broth and season with salt and pepper. Mix well.
- Cover and cook on low for 6-8 hours or high for 3-4 hours.
- About 30 minutes before serving, broil sliced baguette topped with Gruyère cheese until bubbly.
- Serve soup hot topped with cheesy bread.
- Prep Time: 20 minutes
- Cook Time: 8 hours
- Category: Main
- Method: Slow Cooking
- Cuisine: French
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 350
- Sugar: 6g
- Sodium: 800mg
- Fat: 18g
- Saturated Fat: 11g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 36g
- Fiber: 3g
- Protein: 12g
- Cholesterol: 40mg
Keywords: For a vegetarian version, substitute beef broth with vegetable broth. Enhance flavor by adding garlic while caramelizing the onions.