Scottish Shortbread

4 sticks real butter , room temp 1 cup packed brown sugar 4 cups of all purpose flour 1 tsp pure vanilla 1. Cream together butter, sugar, and vanilla[...]

150gr Unsalted butter, in room temperature 70gr Brown sugar (some people say, this is irreplaceable with white sugar ) 200gr Flour 1 tbsp Milk powder 1/2 tsp[...]