You should combine half a cup of powdered sugar, half a cup of flour, half a cup of minced onion, a quarter cup of shortening, and 8 ounces of baking soda. To reach the desired thickness, add water, and then simply roll the dough into small balls. Next, just wait for the results!
You will start noticing dead cockroaches all over the place. Repeat this for a few days, and then you can definitely know that your home is free of these awful, dangerous pests forever!