Slow Cooker French Onion Soup

This slow cooker French onion soup is the perfect way to warm up on a cold night. It's rich, flavorful, and easy to make. The onions are caramelized until they're sweet and tender, and the beef broth and white wine add depth and complexity. The soup is then topped with toasted baguette slices, which soak up all of the delicious broth.

French onion soup is a classic French dish that dates back to the 18th century. It is believed to have originated in the kitchens of Parisian bistros, where it was served as a hearty and filling meal for workers and peasants. The soup was traditionally made with beef broth, onions, and bread, and it was often flavored with thyme, bay leaves, and other herbs. Over time, the soup became more popular and spread to other parts of the world, where it was adapted to local tastes and ingredients. Today, French onion soup is a popular dish in many countries, and it is often served as a starter or main course.

Prep time: 15 | Cook time: 480 | Serves: 4

Ingredients

• 2 tablespoons butter
• 2 large onions, sliced
• 1 teaspoon dried thyme
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 4 cups beef broth
• 1/2 cup dry white wine (optional)
• 1 baguette, sliced

Instructions

1. Melt butter in a large skillet over medium heat.
2. Add onions and cook until softened, about 10 minutes.
3. Stir in thyme, salt, and pepper.
4. Transfer onions to a slow cooker.
5. Add beef broth and white wine (if using).
6. Cook on low for 6-8 hours, or until onions are very tender.
7. Ladle soup into bowls and top with baguette slices.
8. Serve immediately.

Why It Works

• The slow cooker allows the onions to caramelize slowly and evenly, which gives them a deep, rich flavor.
• The beef broth and white wine add depth and complexity to the soup.
• The toasted baguette slices soak up all of the delicious broth, making them the perfect accompaniment to the soup.