1/2 cup butter softened

1/2 cup cooking oil

1/2 cup granulated sugar

1/2 cup powdered sugar

1/2 tsp baking soda

1/2 tsp cream of tartar

1/2 tsp salt

1 egg

1/2 tsp vanilla

2 1/4 cups all-purpose flour

Granulated or colored sugar

Edible glitter(optional)

1.In a large bowl, beat the butter and oil  on medium to high speed for 30 seconds.

2.Add granulated sugar,powdered sugar,baking soda, cream of tartar, and salt.Beat until combined,scraping sides of bowl occasionally.

Beat in egg and vanilla until combined. Beat in the flour. Cover and chill for 3-4hours or until dough is easy to handle.

Preheat the oven to 350. Shape dough  and place 1 inch apart on ungreased cookie sheets. If desired sprinkle the dough in granulated or colored sugar or any edible glitter  and bake for 6 to 8 minutes or until bottoms are lightly browned.