Classic Christmas Sugar Cookies

1 cup sugar
1 cup powdered sugar
1 cup butter
1 cup oil
2 eggs
1 tsp vanilla
1 tsp salt
1 tsp cream of tartar
1 tsp baking soda
4 1/2 cups flour
coloured sugar

Preheat oven to 350 farenheit.

Blend sugar, powdered sugar, butter, oil and two eggs well. In a separate bowl, mix vanilla, salt, cream of tartar and baking soda. Blend ingredients together, then chill.

Flour hands, then shape into balls and place on cookie sheet. Flatten with bottom of chilled glass dipped in sugar. Sprinkle with coloured sugar.

Bake at 350 farenheit until edges are golden.