Cut <quantity>2</quantity> green apples and <quantity>8</quantity> apples into quarters. Remove the cores and thinly slice

Transfer the sliced apples to a large saucepan

Add <quantity>120<unit>g</unit></quantity> of brown sugar and <quantity>75<unit>g</unit></quantity> of white sugar

Add <quantity>80<unit>g</unit></quantity> of raisins

Add <quantity>50<unit>ml</unit></quantity> of rum and stir to combine. Turn the heat on low

Add a pinch of salt and stir to combine

Add <quantity>30<unit>g</unit></quantity> of cornstarch to a bowl with <quantity>50<unit>g</unit></quantity> of walnuts

Add <quantity>3<unit>g</unit></quantity> of cinnamom powder and stir to combine

Stir the apples from time to time to cook them evenly

Add the walnut, cornstarch and cinnamon mixture to the softened apples and stir to combine. Cook until the starch thickens the juices. Turn off the heat

Spread it on a tray and cover with cling film

Refrigerate until cool. The apple filling is ready

Get your pie dough going!