Combine the dry ingredients. Beat sugar and butter until light and fluffy. Add egg and continue to beat. Add sour cream and vanilla. Gradually add flour mixture. Divide into balls and refrigerate before using.
Sugar cookie glaze
1 cup confectioners sugar
1 tbsp. light corn syrup
2 tbsp. water
food coloring if you like but i keep it white
Williams favorite are the peanut butter and chocolate kiss cookies.