Butter Cookies

Directions

1. 1
   Sift flour on counter and make a well.
2. 2
   Add 1 yolk, sugar, rum and the zest of 1/2 lemon into the well.
3. 3
   Mix ingredients in the well.
4. 4
   Add cubed butter on the flour.
5. 5
   Incorporate everything quickly working from the outside in and with as less hand contact as possible (using a knife or a pastry cutter).
6. 6
   Knead swiftly to form a smooth dough.
7. 7
   Wrap in foil and let rest in the fridge for 1/2 hour.
8. 8
   Preheat oven to 190C.
9. 9
   Lightly grease cookie sheets.
10. 10
    Roll dough thinly (1/2 cm .3/16 inch).
11. 11
    Cut with simple cookie cutter (heart, crescent etc 1 1/2 - 2 inches big).
12. 12
    Put on cookie sheet, spaced 2 inches apart.
13. 13
    Beat remaining yolk and brush cookies.
14. 14
    Bake on middle rack for 8-10 minutes until golden.