Cream sugar and shortening. Add egg and flavoring and mix well. Sift together flour, soda and salt mix with above. Then stir in 2 tbsp. of milk. Dip hands in flour and form dough into small balls, and place on greased baking sheet 2 inches apart. Flatten with a flat-bottom glass dipped in sugar as each cookie is pressed. Bake at 400 degrees for 10 minutes.