-
Sift flour, baking soda, cream of tartar and salt together.
-
Beat butter, oil, sugar and confectioner's sugar in separate mixing bowl until creamy.
-
Add eggs and vanilla and beat until smooth.
-
Add dry ingredients gradually and beat until well blended.
-
Chill, covered for 1 hour.
-
Shape dough into 1 inch balls and coat balls with additional sugar.
-
Arrange balls on ungreased cookie sheet.
-
Flatten with bottom of glass dipped in sugar. Press in additional color sugar for holiday decoration.
-
Bake at 350 degrees for 8-10 minutes or until lightly brown.
-
Cool and store in airtight container.
-
For variations: Add 1 tsp of almond extract or lemon extract, add 1/2 crushed almonds or hazelnuts, add 1 TBS finely chopped lemon zest, add 1 TBS crushed peppermint candies, roll in colored sugar for holidays, or use decorative glass to create pattern on each cookie.