In a large bowl combine all the dry ingredients. Whisk together.
Using a pastry cutter or a fork mix the butter into the dry ingredients until it resembles crumbs. Set aside.
In a small bowl whisk together the egg yolk. molasses, vanilla extract, and milk.
Make a well in the center of the dry ingredients and add the wet ingredients into the center.
Using a fork mix together.
Knead the dough on a lightly floured surface about 10-12 times.
Add the dough to a prepared baking sheet with parchment paper.
Press into a circle about 6-7 inches thick and cut into 8 triangles. Separating them just slightly
Freeze for 15 minutes.
Preheat the oven to 400° (F)