Freche Freunde: Double Cookies with Creamy Hazelnut Filling

1. Puree dates finely into a paste. Soak harder dates in warm water for about 10 minutes beforehand.

2. Sift flour and baking powder, knead in vanilla, salt, butter cubes, and date mixture. If necessary, incorporate 1–2 tbsp milk (if the dough is too crumbly).

3. Cover the dough and chill for at least 30 minutes.