Looking for a really nice graham cracker custard as there's a brand over here that does a beautiful graham's custard, only it has to be simpleish, to work with we have cap v1 custard, tpa graham cracker clear, tpa sweet and Bavarian cream, cap whipped marshmallow, and other bakery related are inw biscuit and cap sl biscuit, any help on what to try and %'s please? TIA xx