Dice the onion and soften in a large sauce pan with a little water.
Mince the garlic and add to the pan.
Drain the jackfruit and shred.
Add the jackfruit to the pan.
Next add the tomato paste, gravy powder, and mushroom seasoning.
Mix well then add the 300ml water and dark soy sauce.
Simmer this on medium heat until the mixture has reduced.
Leave the mixture to fully cool.
Preheat the oven to 180C/ 350F.
Place your pie tins on to a sheet of shortcrust pastry and cut around to make the base for the pie.
Repeat this with the puff pastry to make the lid.
Push the short crust pastry into the pie dishes and dust the bottom with a little flour to stop the bottoms going soggy.
Add the pie mix into the base and add the lid on top.
Crimp to make sure the edges are sealed.
Brush the pies with soy milk.
Bake for 30 minutes.