Serinakaker Makes about 16~32 cookies (depending on how big you make the balls) 75 gram (5 tablespoons) butter, room temperature 70 gram sugar 1/2 egg (save the last part for later!) 1/2 teaspoon vanilla sugar 1/4 teaspoon salt of hartshorn 150 gram flour 1/2 egg (the rest of the egg) for “painting” the cookies later [...]