Mornay onion tart (Slideshow version)
Stage 1/20 : 20 min.
Roll out 300 g Shortcrust pastry (pâte brisée) then line a 22 cm (9-inch) diameter high-sided baking tin, which you will have placed on a sheet of baking paper in a baking tray.Leave any excess dough around the edges, then place in the fridge to set aside.