Soft Sugar Cookies

1 cup soft butter or margarine
2 cup sugar
2 eggs
1 cup dairy sour cream
1 tsp vanilla
1/2 tsp baking soda
1/2 tsp salt
4 tsp baking powder
5 1/2 cups flour

Cream together butter, sugar; add eggs and beat well; add sour cream and vanilla. Sift together dry ingredients and add to the creamed mixture. Cover dough and refrigerate for about an hour. Roll out dough on floured surface, or between plastic wrap, to 1/2 inch thickness. Cut with cookie cutters. Place on greased cookie sheets. Bake at 350 degrees for 14 to 17 minutes or until lightly brown, Do Not over bake or roll to thin.
Use Butter Cream Frosting to decorate.