A recipe from France: The Cookbook
Preparation: 20 minutes
Cooking: 40 minutes
Serves: 6 people
24 medium leeks
1 quantity white sauce
Grated Gruyère cheese, for sprinkling
Preheat the oven to 200°C/400°F/Gas Mark 6.
Prepare and cook the leeks whole and prepare the white sauce. Drain the leeks well and put in a large ovenproof dish, or several individual ovenproof dishes.
Coat with the sauce, sprinkle with the cheese and bake for 20 minutes, or until golden brown.