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slow-cooker-french-onion-soup-recipe

Slow Cooker French Onion Soup

A rich and flavorful French onion soup made easy in the slow cooker.
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Preparation Time: 15 minutes
Cook Time: 8 hours
Total Time: 8 hours 15 minutes
Course: Soup
Cuisine: French
Servings: 6 servings
Calories: 350 kcal

Ingredients 

Main Ingredients

  • 6 large yellow onions thinly sliced
  • 3 tablespoons butter
  • 2 cloves garlic minced
  • 1 teaspoon sugar
  • ¼ cup all-purpose flour
  • 8 cups beef broth low sodium
  • ½ cup dry white wine optional
  • 1 teaspoon dried thyme
  • 1 loaf French bread sliced and toasted
  • 2 cups Gruyere cheese shredded

Instructions 

  1. 1. In a large skillet, melt the butter over medium heat. Add the onions and cook until they are caramelized, about 20 minutes.
  2. 2. Add the garlic and sugar, cooking for another minute. Sprinkle the flour over the onions and stir well to combine.
  3. 3. Transfer the onion mixture to the slow cooker. Add the beef broth, white wine (if using), thyme, and bay leaf. Stir to combine.
  4. 4. Cover and cook on low for 7-8 hours or on high for 4-5 hours.
  5. 5. Remove the bay leaf and ladle the soup into bowls. Top each bowl with a slice of toasted French bread and a generous amount of shredded Gruyere cheese.
  6. 6. Place the bowls under the broiler until the cheese is melted and bubbly, about 2-3 minutes. Serve hot.

Nutritional Value

Calories: 350kcal | Carbohydrates: 40g | Protein: 15g | Fat: 15g | Saturated Fat: 9g | Cholesterol: 45mg | Sodium: 900mg | Potassium: 400mg | Fiber: 3g | Sugar: 8g | Vitamin A: 500IU | Vitamin C: 10mg | Calcium: 300mg | Iron: 2mg

Keywords

French Onion Soup, Slow Cooker
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