2 1/2 cups all purpose flour
1 tsp baking powder
1 cup butter, room tem
1 cup vanilla sugar
2 egg yolks
1 tsp vanilla extract
Mix flour, salt, and baking powder together.
Cream butter and sugar. Beat in yolks one at a time. Add Vanilla extract. Mix in flour with mixer on low speed.
Form into balls. Roll in vanilla sugar. Place and cookie sheet and flatten with bottom of a glass. Bake at 350 F until edges start to lightly brown.