Cream sugars and flour.
Bold in four, vanilla, salt, and baking soda.
Stir in peanut butter.
Make balls in the shape and size of walnuts. Roll in white sugar. Put on a greased baking sheet. Flatten and cross cross with a fork.
Bake at 350 degrees for about 10 minutes. Bottoms of cookies should be a medium shade of brown when done.