Individual Christmas pies

INGREDIENTS

• 200g leeks , thinly sliced
• 25g butter , plus a knob
• 100g mushrooms , finely chopped
• 4 good pinches ground mace
• 4 good pinches thyme leaves , plus a few extra small sprigs to decorate
• 100g potatoes , grated
• 100g Puy or green lentils , from a can, rinsed and drained
• 100g cooked chestnuts , finely chopped
• 8 tbsp double cream
• 4 tbsp cranberries , plus about 20 to decorate
• 1 egg , beaten, to glaze
• 2 tsp redcurrant jelly
• 200g plain flour , plus a little extra
• 100g light vegetarian suet
• 8 tbsp milk