Black/White Cookies

1/2 c dry milk
1/2 c margarine
1 c flour
1/2 tsp baking soda
1/2 tsp salt
1 c sugar
1 tsp. vanilla
1 egg
Cream the dry milk, shortening. Sift together flour, soda, salt, set aside. Beat margarine - milk mixture with sugar, vanilla until light. Add egg, stir in dry ingredients. Drop by teaspoonfuls onto ungreased cookie sheets. Bake 375° 10 minutes.