Also know as Serina cookies.
1 cup cold butter, cut into small pieces
2 cups all-purpose flour
½ teaspoon baking powder
2 eggs, divided
¾ cup granulated sugar
1 tablespoon vanilla sugar
1 cup chopped almonds
Beat butter until creamy.
Blend in flour and baking powder.
Add one egg and blend well.
Add the sugar and vanilla sugar while continuing to blend.
Cover dough and refrigerate 2-3 hours.
Preheat oven to 375ºF.
Beat the second egg. Set aside.
Roll the dough into small balls, about ¾ inch around.
Place on an ungreased cookie sheet 2 inches apart.
Flatten each ball slightly with a fork.
Brush the top of the cookies with egg and sprinkle with chopped almonds.
Bake 8-12 minutes or until golden brown.