INGREDIENTS:
(for about 35 cookies):
Dough
200g butter, at room temperature
150g sour cream
3 egg yolks
350g flour
5g baking powder
1 grated lemon shell
30g (2 tbsp) sugarFilling
3 egg whites
Pinch of salt
200g (1 cup) sugar
80g Instant Vanilla Pudding
INSTRUCTIONS: