French Onion Soup

Name: French Onion Soup
Yield: 4
Ingredients: 1kg brown onions, finely sliced; 50g unsalted butter; 200ml dry white wine; 1L beef stock; 4 slices sourdough; 150g Gruyère, grated

Larousse Gastronomique, p.892

Serves 4 · Soup

1kg brown onions, finely sliced
50g unsalted butter
200ml dry white wine
1L beef stock
4 slices sourdough
150g Gruyère, grated