Chicken Liver gratin Author: Michel Roux Jr Serves: 4 Ingredients 400g fresh chicken livers 1tbsp vegetable oil 2 shallots, chopped 2 tbsp chopped flat leaf parsley 1 tbsp butter 220ml double cream 160g cooked basmati rice (about 65g raw) grated zest of 1 lemon 3 tbsp grated Gruyère cheese 2 egg yolks 3tbsp grated