Homemade mince pies

For the mincemeat:

2 large Brambly apples, peeled, cored and coarsely grated

350g sultanas

150g currants

350g raisins

200g mixed chopped peel

50g nuts finally chopped

200ml dark rum

finely grated zest of 2 oranges, plus the juice of 4

finely grated zest and juice of 2 lemons

4 tsp mixed spice

1 tsp ground cloves

1 tsp ground ginger

1 tsp freshly grated nutmeg

350g dark muscovado sugar

200g shredded vegetable suet

For the pastry:

225g flour

1 pinch of salt

140g butter, chilled and cubed 

55g caster sugar

1 egg