Vol-au-vent (Slideshow version)
Stage 2/10 : 5 min.
Pour 2 tablespoonsful of olive oil into a frying pan on medium heat. When hot, add the chopped onion, salt and pepper. Cook for 1 minute without colouring.Add the leek, salt and pepper again, stir well and cook until the leek is just cooked but still a fresh green.
Set aside.