Created by Fizzybrat on June 26, 2019
Step 1: Preheat oven to 350°F (175°C)
Step 2: Sift the flour, custard powder and baking soda into a bowl and set aside.
Step 3: Cream the butter and sugar for about 3 minutes
Step 4: Add the flour mixture and mix well.
Step 5: Form into rounds, about the size of a walnut and place on a lined baking tray, leaving room to expand.
Step 6: Press with a fork into the top of each round, twice: once horizontally, and once vertically, to look like a cross-hatch.
Step 7: Bake near the middle of the oven for 15 to 18 minutes until the bottoms just begin to slightly color.
Step 8: Remove from tray and allow to cool completely on cooling rack.
Step 9: Mix the butter, powdered sugar and vanilla until creamy.
Step 10: Use the buttercream to sandwich two of the Custard Creams together.
Step 11: Repeat until all the biscuits have been filled.