In a food processor pulse the flours, sugar, baking powder, salt, and butter.
Add the egg and pulse some more.
Lastly, add the milk and let it all come together
Pour the mixture into a springform pan and press into the base firmly with the back of a spoon.
Chill for about 10 minutes.
Bake in a preheated oven at 190 C / 380 F for about 10 to 12 minutes until nice a golden brown.
Top with cheesecake batter bake further or chill for an unbaked cheesecake.