The longest part of making this easy pie is dry-baking the kumara which will probably take an hour, (the oven does the work). This can be done in advance and once cooked, assembly of the pie is a ...
It's what you'll find in the traditional English Melton Mowbray pork pie, which is baked without a supporting tin. This pork and kumara version, which uses the same pastry, can be eaten hot or cold.