Caution: This makes A LOT of cookies! (about 10 dozen)
4 sticks butter or margarine
3 cups sugar
4 eggs
5 1/2 cups flour
4 tablespoons cream of tartar
1/2 teaspoon salt
2 teaspoons baking soda
4 tablespoons sugar
4 teaspoons cinnamon
Preheat oven to 400 degrees. Beat together butter, sugar, and eggs. Sift together flour, tartar, salt, and soda and mix into butter mixture. Form small balls. Roll in sugar and cinnamon mixture. Bake 8 to 10 minutes.