Put a baking tray big enough to hold the quiche tin into the oven to preheat. To make the pastry, mix the flour and salt in a large bowl. Rub in the butter and the vegetable shortening until the ...

“Using puff pastry to make a big sheet-pan quiche is a fabulous way to serve a crowd, and it looks so impressive,” she added. “Not to mention that it tastes incredible, with its ...