Classic French onion soup

Ingredients:

• 6 cups beef broth
• 2 sprigs of thyme

Preparation:

1. Cover and sauté 4 thinly sliced ​​onions and 2 sprigs of thyme in butter for 20 minutes. Remove the lid and sauté, stirring occasionally, for 1 hour or until caramelized. Add 6 cups of beef broth and simmer for 10 minutes. Add cognac and season with salt and pepper to taste. Top with Gruyere toasts.