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by Mary Berry

This is a quick and easy take on flaky pastry. The vegetarian cheese and potato pie filling is also delicious and simple to make.

Main course

Preparation

To achieve a crisp pie base rather than a soggy bottom, you need to use a thick, heavy pie tin or dish, as this will absorb more heat and get hotter than a thinner one. Surprisingly, the colour of your tin can make a big difference; black tins will absorb more heat than light-coloured shiny tins, which reflect the heat. If you don't have the best equipment, place your pie dish on a preheated heavy baking tray or pizza stone or on the bottom of your oven. To help keep pastry crisp, remember to cut a hole in your pastry lid to allow steam to escape.

The filling will make or break your pie. A rich, full-flavoured gravy is a must, but the best flavour is a matter of personal preference. See below for recipes that have stood the test of time and a few news ones.

Don't overfill your pie; it should come up to a centimeter or so below the top or the filling is likely to leak as it bubbles up during cooking. Let any fillings cool completely before adding them to the pastry case. To prevent a wet filling from making the pastry base soggy, preheat a baking tray and cook the pie on that – the extra heat will set the pastry faster.