125 grams Unsalted butter
82 grams Powdered sugar
1 Egg yolk
1 gram Vanilla extract
250 grams All-purpose flour
Cream soft butter and powdered sugar for 2 minutes.
Add egg yolk and vanilla.
All all-purpose flour and mix well.
Cover dough into plastic wrap and keep refrigerated for 3 hours or overnight.
Roll out dough to 3 mm thickness and line the tart rings.