https://www.becomeapastrychef.co.uk/glossary/oats-rolled-oats-oatmeal-oat-flour-oat-bran/ How to make Creme Patissiere/ Pastry Cream Ingredients: 1 Litre milk 4 Egg yolks 1 Whole egg 65g Custard powder 200g Caster sugar 20g Soft unsalted butter 1 Vanilla pod Learning how to make creme patissiere can help you create fantastic desserts. creme patissiere often used to fill chocolate eclairs, doughnuts, cakes, tarts and to make desserts such as vanilla and chocolate pudding. We will be teaching you how to make creme patissiere the easy way so that you can make it at home in no time. creme patissiere is made with eggs, sugar, milk, and flour (or cornstarch). creme patissiere is most commonly flavoured with vanilla, but other flavourings can be added to give it a unique taste. The first step to preparing a pastry cream, is to bring milk to a boil by heating it in a saucepan. It is then necessary to add eggs, sugar, and flour into a bowl and then add the hot milk to mix all