For the sweetened cream, put the cream, icing sugar and vanilla in a large bowl and whip until medium-stiff peaks form when the whisk is removed from the bowl. Fold in the lemon zest and juice, to ...

Stir the custard to loosen it and fold in the cream. When you are ready to assemble the millefeuille, place one of the pastry pieces onto a board or platter and spread over half of the jam ...