Lemon Tea Cookies

for the cookies

¾ cup (1 1/2 sticks) unsalted butter
1 teaspoon lemon zest
1 tablespoon lemon juice
1 ¼ cup flour
½ cup cornstarch
1/3 cup confectioners’ sugar

for the frosting

¾ cup confectioners’ sugar, sifted
¼ cup unsalted cold butter, cut into 1/2 inch cubes
1 teaspoon lemon zest
1 teaspoon lemon juice

Divide in half. Shape each half into an 8×1 inch log and roll in plastic wrap. Refrigerate for 2 hours.for the cookies
Cream butter, lemon zest and juice until fluffy. In separate bowl, sift dry ingredients and mix into butter on low speed.

Cut into ¼ inch rounds. Bake at 350 F for 12 minutes. Cool and frost.

for the frosting
On low speed, mix the cold butter with electric mixer (use paddle attachment for a stand mixer) until smooth. Slowly add confectioners’ sugar until blended. Beat in the lemon zest and juice.

(Source:  http://mymadisonbistro.com/archives/lemon-tea-cookies)