1/2 c. butter
1/2 c. shortening
1 1/2 c. sugar
2 eggs
1 tsp. vanilla
2 3/4 c. flour
2 tsp. cream of tartar
1 tsp. baking soda
1/4 tsp. salt
3 tbsp. sugar
3 tbsp. cinnamon

Cream butter and shortening. Beat in sugar, eggs and vanilla. Add flour, cream of tartar, soda and salt. Shape rounded teaspoons of dough into balls. Mix sugar and cinnamon together. Roll balls into mixture. Bake on ungreased cookie sheet at 375 degrees for 8-10 minutes. Makes about 3 dozen.