1

Preheat oven to 350°F.

2

Combine the flour, sugars, butter, oil, baking soda, cream of tartar, salt and vanilla in a mixing bowl in the order listed, mixing well after each addition. Shape the dough into 1-inch balls and coat with additional granulated sugar

3

Arrange the balls 2 inches apart on a baking sheet and flatten slightly with a glass dipped in sugar. Bake for 15 minutes or until light brown. Cool on the cookie sheet for 2 minutes. Remove to a wire rack to cool completely. Store in an airtight container.