1 cup soft unsalted butter
3/4 cup sugar
1 teaspoon vanilla
2 1/4 cups all-purpose flour
2/3 cup cornstarch
1/4 teaspoon salt
Preheat oven to 325 degrees .
Using an electric table-top or hand mixer, cream the butter and sugar until fluffy.
Beat in the egg and vanilla. Gradually add the dry ingredients and form a ball with the dough.
Chill for 2 to 3 hours. Shape dough into 1-inch balls. Place on cookie sheet.
Press ball with a cookie stamp to form a design. Bake 20 to 25 minutes . Cookies should not brown.
Cool on wire rack. Decorate cookies with frosting piped through a pastry tube.
Store in air-tight container in a cool place.