French Onion Soup - cooking recipe

Ingredients

3 1/2 tbsp butter
2 3/4 lb onions, thinly sliced
1 tbsp fresh thyme leaves + 4 sprigs, reserved for garnish
1/4 cup dry white wine
4 cups beef stock
8 (3/4 inch) slices baguette, toasted
2 oz Gruyere cheese, grated

Preparation

Heat butter over medium heat. Add onion and thyme. Cook, covered, stirring occasionally, for 20 mins, or until very soft. Remove lid and cook over medium-low heat, stirring occasionally, for 1 hour, or until onion is browned. Add wine, bring to a boil and cook, uncovered, until most wine has evaporated. Add stock. Bring to a boil, reduce heat and simmer, uncovered, for 10 mins. Season.
Preheat broiler. Distribute soup between serving bowls. Add 2 slices of toast to each bowl, sprinkle with cheese and broil until cheese melts. Serve immediately with reserved thyme sprigs.