Powdered Sugar Cookies

This is and always will be my favorite recipe for cut-out sugar cookies. They turn out perfect every time.

Powdered Sugar Cookies
1 cup butter
1 1/2 cups powdered sugar
1 egg
1 teaspoon vanilla
2 1/2 cups flour
1 teaspoon baking soda
1 teaspoon cream of tartar

Beat butter with sugar till creamy. Add egg, vanilla, baking soda, and cream of tartar; mix well. Gradually add flour and beat until well incorporated. Roll dough into ball and cover w/ cling wrap. Refrigerate at least 1 hr. Roll dough 1/2" thick and cut w/ cookie cutters. Place shapes on cookie sheet and Bake each batch 8 min at 350.