Posh rabbit pie

As promised in my earlier post, here's the Rabbit Pithivier recipe from the Goring's head chef Derek Quelch:

RABBIT, WILD MUSHROOM AND PRUNE PITHIVIER
WITH AN ENGLISH MUSTARD SAUCE

INGREDIENTS
½ x confit wild rabbit, cut into approx ½ “ pieces
125g cooked wild mushrooms
15 x diced prunes
250g puff pastry
20g cooked, finely chopped shallots
mixed with, 1 clove crushed garlic cooked
Salt and pepper
½dl brandy
Eggwash

FOR THE SAUCE
½ litre supreme sauce
English mustard

METHOD
1. In a bowl mix together the rabbit, wild mushrooms, prunes, shallots and garlic.
2. Season with salt and pepper.
3. Add some brandy to taste.
4. Split the mix into 5 equal portions.
5. Roll out the puff pastry and cut out 5 rings with a 10cm diameter cutter.
6. Cut out another 5 rings with a 12-13cm diameter cutter.
7. On the small rings, put the rabbit mix in and cover with the larger ring of pastry and seal the edges.
8. Place in the fridge for one hour to rest.
9. When ready to cook, brush with the eggwash and score the top.
10. Bake in an oven @ 180C for 15-20 minutes.
11. Boil the supreme sauce and add English mustard to taste.