Bake in a moderate oven for about 20 minutes or until pastry is barely colored. The almost white pastry makes a striking contrast with the dark pockets of treacle. A piece of tangerine peel finely chopped Wash the chestnuts thoroughly. Place them in a large bowl and cover them with water. Leave to soak overnight.
Next day remove any loose pieces of skin.
Preserve water for boiling the chestnuts. A pressure cooker will save much of the cooking time. Follow instructions given with pressure cooker. Add the other ingredients and continue cooking for about half an hour. If the stew is still watery at this stage reduce it by further cooking.