½ cup butter, softened

½ cup shortening

1 ½ cups white sugar

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2 eggs

2 teaspoons vanilla extract

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2 ¾ cups all-purpose flour

2 teaspoons cream of tartar

1 teaspoon baking soda

¼ teaspoon salt

2 tablespoons white sugar

2 teaspoons ground cinnamon

Preheat oven to 400 degrees F (200 degrees C).

Cream together butter, shortening, 1 1/2 cups sugar, eggs, and vanilla. Blend in flour, cream of tartar, soda, and salt. Shape dough by rounded spoonfuls into balls.

Mix 2 tablespoons sugar and cinnamon together. Roll balls of dough in mixture. Place 2 inches apart on ungreased baking sheets.

Bake 8 to 10 minutes, or until set but not too hard. Remove immediately from baking sheets.