INGREDIENTS
2
Egg yolks, large
2 1/2 cups
All-purpose flour
3/4 tsp
Baking powder
1/2 tsp
Cinnamon
1
Confectioners' sugar
3/4 cup
Desired filling
3/4 cup
Granulated sugar
1/2 tsp
Salt, fine
2 tsp
Vanilla extract, pure
1 cup
Hazelnuts, toasted and skinned
1 cup
Butter, unsalted