Beat ghee until light and fluffy then add in the powdered sugar and beat well.
Mix in the eggs and vanilla.
In a separate bowl mix together flour, baking powder.
Add the flour mixture to the butter and mix well.
Refrigerate for one hour.
Divide the dough into two equal halves and mix one of them with cocoa powder.
Shape into balls or use a cookie press.
Bake in a 350F oven for 10-15 minutes or until done.