8 oz. powdered boric acid
1/2 c. flour
1/8 c. sugar
1/2 tsp. onion, chopped
1/4 c. shortening or bacon drippings
Water to form soft dough

Cream shortening and sugar and boric acid. Add flour, onion to creamed shortening mixture. Blend well. Then add water to form soft dough.

Shape into small balls. If balls are placed in open plastic sandwich bags the dough will stay softer longer. Place balls throughout the house in places normally inhabited by roaches. When dough becomes brick hard, replace with a fresh batch. It really works if used regularly.