Sugar Cookies - cooking recipe

Ingredients

1 c. powdered sugar
1 c. sugar
1 c. butter
1 c. shortening
2 eggs
1 tsp. vanilla
1/2 tsp. salt
1 tsp. cream of tartar
1 tsp. soda
4 1/2 c. flour

Preparation

Beat well the first four ingredients.
Add eggs and vanilla; beat well.
Add the last four ingredients; beat well.