Favorite Snickerdoodles

Grease a cookie sheet. Stir together flour, soda, cream of tartar, and salt. Beat butter for 30 seconds; add the 2 cups sugar and beat till fluffy. Add eggs, milk, and vanilla; beat well. Add dry ingredients to beaten mixture, beating till well combined. Form dough into 1-inch balls; roll in a mixture of the 3 tablespoons sugar and the cinnamon. Place balls 2 inches apart on a cookie sheet; flatten slightly with the bottom of a drinking glass. Bake in a 375 degree oven about 8 minutes or till light golden. Makes about 66.