Cockroach Killer
from Sue Pruett, an experienced cockroach killer
Ingredients:
¼ kilo boric acid (get regular boric acid not for eyes)
1 medium onion, finely chopped
1 cup flour
1 pinch salt
Add milk to make into balls (pie crust consistency)
Make into size of golf balls (balls set hard)
Place in corners of cupboards, etc.
Keep out of reach of children/pets