Slow Cooker French Onion Soup

Slow Cooker French Onion Soup

Introduction

Few dishes evoke comfort and warmth quite like French onion soup. This slow cooker version transforms a labor-intensive classic into a hands-off, cozy meal that fills your kitchen with the rich aroma of caramelized onions and savory broth. The sweetness of the slowly cooked onions, paired with a deeply flavorful beef stock and topped with gooey, golden Gruyère cheese, creates a harmony of flavors that’s impossible to resist. Perfect as a starter or a main course, this soup brings a touch of French bistro elegance to your table with minimal effort.

Ingredients

For the Soup:

• 3 lbs (1.36 kg) yellow onions, thinly sliced
• 2 tbsp (28 g) unsalted butter, melted
• 2 tbsp (30 ml) olive oil
• ¼ cup (60 ml) balsamic vinegar
• 2 sprigs fresh thyme
• 8 cups (1.9 L) beef stock
• Salt and pepper, to taste
• Optional: ⅓ cup (80 ml) brandy

For the Topping:

• 1.5 cups (150 g) shredded Gruyère cheese
• A few slices of crispy bread or baguette

Directions