Add buttermilk, egg, sugar and vanilla into bowl
Add flours, salt, bakingpowder and cubed cold butter in another bowl
Mix together with your hands until the mixture resembles coarse meal.
Fold in chocolate chips
Add milk mixture
Place dough on floured surface
Knead lightly 4-5 times until it forms a ball
Form dough into 9-inch circle onto baking sheet, about 3/4 inch thick and sprinkle with sugar
Using a knife and cut dough into 12 wegdes all the way through and brush with egg white or milk. Put in a preheated 375 degrees farenheit or 200 degrees celsius oven and bake for 18-20 min.
Take out of oven
Serve warm and enjoy