1/2 cp butter or margarine, softened
1/2 cup shortening
1 1/2 cups sugar
2 eggs
2 1/2 cups all-purpose flour*
2 teaspoons cream of tartar
1 teaspoon soda
1/4 teaspoon salt
2 tablespoons sugar
2 teaspoons cinnamon
Heat of to 400 degrees. Mix thoroughly butter, shortening, 1 1/2 cups sugar and the eggs. Blend in flour, cream of tartar, soda, and salt. Shape dough by rounded teaspoonfuls into balls.
Mix 5 tablespoons sugar and the cinnamon; roll ball in mixture. Place 2 inches apart on ungreased baking sheet. Bake 8 to 10 minutes or until set. Immediately remove from baking sheet.
*If using self-rising flour, omit cream of tartar, soda, and salt.
Source: Betty Crocker Cookbook, 1974