Sugar Cookies - cooking recipe

Ingredients

1 c. butter
1 c. Crisco oil
1 c. granulated sugar
1 c. powdered sugar
2 eggs
1 tsp. vanilla
1 tsp. cream of tartar
1 tsp. baking soda
4 c. flour
1 tsp. salt (optional)

Preparation

Mix the butter, oil, both sugars, eggs and vanilla until very creamy.
Mix cream of tartar, baking soda, flour and salt.
Add the dry ingredients to the creamed butter mixture until blended.