Illustration of a kitchen cockroach in front of a batch of cookie dough

Roach Cookies: Deadly to Roaches

Active Time: 20 minutes
Total Time: 20 minutes
Difficulty: Easy
Estimated Cost: $10

Cockroaches won't survive this killer recipe made with deadly Boric acid. The poison is natural and has a low toxicity to humans, but kills roaches when ingested.

In this "Roach-free recipe," you'll make a tasty (to roaches) poisonous dough that can be pressed into useful shapes and placed in areas roaches can find it.

Materials

  • ½ Cup Sugar
  • ½ Cup Flour
  • ½ Cup Crisco Shortening
  • ½ Cup Boric Acid Powder

Tools

  • Mixing bowl and spoon
  • Latex gloves
  • Work area separate from where food is prepared
  • Old jar lids or wax paper squares to keep greasy cookies off your floors and shelves.

Instructions

  1. Cover your work area and put on latex gloves. While contact with small amounts of boric acid is generally considered safe for humans, it could irritate your skin.
  2. Combine ingredients and mix into a thick dough.
  3. Press into jar lids or roll into shapes and place on wax paper squares, then wipe down your work area and wash your tools.
  4. Place on floor areas well away from pets and children: Under the stove, under and behind the fridge, under sinks and cabinets.
  5. Place in elevated areas where kids can't reach: Pantry shelves, the tops of cabinets, and the top of the fridge.
  6. Scout out other areas of cockroach signs or infestation, including corners and gaps or cracks in walls.
  7. Check locations every couple of weeks, and replace when the dough dries out.
  8. Use remaining boric acid as a light dust near areas of infestation. Roaches will die from walking through it, too.

Notes

For natural solutions, combine roach cookies with boric acid as a fine dust applied near roach hangouts. Certain essential oils may help, too.

For serious infestations, combine roach cookies with a gel cockroach bait approach or call in a professional.

Thanks to dmentd.com for dough instructions.

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