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Slow Cooker French Onion Soup


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  • Author: Sarah Martinez
  • Total Time: 0 hours
  • Yield: Serves 6

Description

Slow Cooker French Onion Soup is a heartwarming dish that fills your home with the inviting aroma of caramelized onions and rich broth. Topped with gooey melted Gruyère cheese and crusty French bread, this comforting soup is perfect for chilly evenings or gatherings with friends. With minimal effort, you can create a delightful meal that warms both body and soul.


Ingredients

Scale
  • 4 large yellow onions, sliced
  • 4 tablespoons butter
  • 6 cups low-sodium beef broth
  • 2 teaspoons fresh thyme (or 1 teaspoon dried)
  • 2 bay leaves
  • 4 slices French bread
  • 1½ cups shredded Gruyère cheese

Instructions

  1. Sauté onions in melted butter in your slow cooker on high heat until golden brown.
  2. Add beef broth, thyme, and bay leaves; stir to combine.
  3. Cover and cook on low for 6-8 hours.
  4. In the last hour, toast French bread slices until golden brown.
  5. Ladle soup into oven-safe bowls, top with toasted bread and Gruyère cheese.
  6. Broil until cheese melts and bubbles (about 3-5 minutes).
  • Prep Time: 15 minutes
  • Cook Time: 6-8 hours
  • Category: Soup
  • Method: Slow Cooker
  • Cuisine: French

Nutrition

  • Serving Size: 1 cup (240g)
  • Calories: 350
  • Sugar: 8g
  • Sodium: 850mg
  • Fat: 20g
  • Saturated Fat: 12g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 28g
  • Fiber: 2g
  • Protein: 12g
  • Cholesterol: 50mg