Roll out the pastry into a quiche dish and press into the edges ... the new potatoes then season with salt and pepper. Put the spinach in a colander and pour over a kettle’s worth of boiling ...
So, ideally, make this the day before. Generally, a quiche is left to set at room temperature ... Wash the chard/spinach in cold water and shake off excess. Shred the bunched leaves as finely ...