The Ultimate Slow Cooker French Onion Soup Recipe: Rich, Comforting, and Topped with Gooey Melted Cheese for a Perfect Cozy Meal!

Step-by-Step Instructions

Step 1: Caramelize the Onions in the Slow Cooker

1. Add the sliced onions, butter, olive oil, and sugar to the slow cooker.
2. Cover and cook on low for 8-10 hours, stirring occasionally, until the onions are golden brown and caramelized.

Step 2: Prepare the Broth

1. Once the onions are caramelized, add the garlic, beef broth, white wine (if using), Worcestershire sauce, and thyme to the slow cooker.
2. Season with salt and black pepper to taste.
3. Cover and cook on low for 6-8 hoursor high for 3-4 hours.

Step 3: Prepare the Bread Topping

1. Preheat your oven to 400°F (200°C).
2. Arrange the baguette slices on a baking sheet and toast for 5-7 minutes or until golden brown.

Step 4: Assemble the Soup

1. Ladle the hot

1.  soup into oven-safe bowls or crocks.
2. Place a slice of toasted baguette on top of each bowl and sprinkle generously with Gruyère cheese.

Step 5: Broil the Cheese

1. Place the bowls under the oven’s broiler for 2-3 minutes, or until the cheese is melted and bubbly.
2. Carefully remove and serve immediately.