Recipe Amish Sugar Cookies

Ingredients
1 cup unsalted butter, room temperature
1 cup vegetable oil
1 cup granulated sugar
1 cup confectioners' sugar
2 eggs
1 teaspoon vanilla
4 1/2 cups all-purpose flour
1 teaspoon baking soda
1 teaspoon cream of tartar

Directions
Combine butter or margarine, oil and sugars in large mixing bowl; mix well. Add eggs; beat 1 minute until well blended. Add vanilla; beat well. In separate bowl, combine flour, baking soda and cream of tartar; add to creamed mixture, mixing well. Drop by small teaspoonfuls on ungreased baking sheet. Bake at 375 degrees F for 8-10 minutes.