Step 1

Preheat oven to 350 degrees.

Step 2

In large bowl, cream together butter and sugar until light and fluffy -- about 4 minutes.

Step 3

Add eggs, sour cream, and orange zest and cream together.

Step 4

Stir in flour, cornstarch, baking powder and salt.

Step 5

Chill dough for at least 30 minutes.

Step 6

Roll dough into balls and drop dough onto cookie sheets.

Step 7

Bake for 11-14 minutes.

Step 8

To make sweet orange cream cheese frosting:

Step 9

In medium bowl, cream together butter and cream cheese until fluffy. Stir in powdered sugar and orange zest. Spread or pipe over cooled cookies.

Step 10

Garnish with orange zest.