1/2 lb. butter
3/4 c. sugar
1/2 tsp. baking soda
2 c. flour
1 tsp. white vinegar
1 1/2 tsp. vanilla

Cream together butter, sugar and baking soda.

Add flour, vinegar and vanilla to creamed batter.

Form a ball of batter (1 teaspoon) and put on greased cookie sheet. Flatten with a fork.

Bake at 300 degrees for 20 minutes or until done.