Slow-Cooker French Onion Soup with Gruyère Croutons
This slow-cooker French onion soup is the perfect meal for a cold winter night. The onions are caramelized to perfection, and the broth is rich and flavorful. The Gruyère cheese croutons add a touch of elegance to this classic dish.
French onion soup is a classic French dish that is typically made with beef broth, onions, and Gruyère cheese. The soup is believed to have originated in the 18th century, and it has been a popular dish ever since. There are many different variations of French onion soup, but the basic ingredients and cooking methods remain the same. Our slow-cooker French onion soup is a delicious and easy way to enjoy this classic dish. The slow cooker allows the onions to caramelize slowly and evenly, resulting in a rich and flavorful broth. The Gruyère cheese croutons add a touch of elegance to this classic dish. Here are some tips for making the perfect slow-cooker French onion soup: * Use high-quality onions. The onions are the star of this dish, so it is important to use the best quality onions you can find. * Caramelize the onions slowly and evenly. This is what gives the soup its rich flavor. * Use a good quality beef broth. The beef broth is the other key ingredient in this soup, so it is important to use a good quality broth. * Add a touch of red wine. Red wine adds a depth of flavor to this soup. * Serve the soup with Gruyère cheese croutons. The Gruyère cheese croutons add a touch of elegance to this classic dish.
Slow-Cooker French Onion Soup with Gruyère Croutons Slow-Cooker French Onion Soup with Gruyère Croutons Slow-Cooker French Onion Soup with Gruyère Croutons Slow-Cooker French Onion Soup with Gruyère Croutons
Prep time: 20 | Cook time: 360 | Serves: 4
Ingredients
  • 2 tablespoons olive oil
  • 2 large yellow onions, thinly sliced
  • 1 tablespoon all-purpose flour
  • 4 cups unsalted vegetable broth
  • 1 bay leaf
  • 1 teaspoon dried thyme
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 baguette, cut into 1-inch cubes
Instructions
  1. Heat the olive oil in a large skillet over medium heat. Add the onions and cook, stirring occasionally, until softened and golden brown, about 20 minutes.
  2. Add the flour to the onions and cook, stirring constantly, for 1 minute.
  3. Transfer the onion mixture to a slow cooker. Add the vegetable broth, bay leaf, thyme, salt, and pepper. Stir to combine.
  4. Cover and cook on low for 6-8 hours, or until the onions are very soft and the broth is flavorful.
  5. While the soup is cooking, preheat the oven to 400 degrees F (200 degrees C).
  6. Toss the baguette cubes with a little olive oil and salt. Spread on a baking sheet and bake for 10-12 minutes, or until golden brown.
  7. Serve the soup topped with the Gruyère cheese croutons.
  8. Garnish with fresh thyme leaves, if desired.
Why It Works
  • The slow cooker allows the onions to caramelize slowly and evenly, resulting in a rich and flavorful broth.
  • The Gruyère cheese croutons add a touch of elegance to this classic dish.