Pastry Cream

Ingredients – 1 cup of plain flour – 1/2 cup of unsalted butter, softened – 1/4 cup of icing sugar – 1 cold egg – 1/2 cup of milk – 1/2 cup of sugar – 3 egg yolks – 2 cups of rhubarb, chopped – 1 teaspoon of vanilla extract – 1 tablespoon of cornflour […]