This is the PF tek using brf (brown rice flower and verm.. The recipe is 1/2 verm 1/4 brf and 1/4 water per jar.
This video will teach you how to grow your very own edible mushrooms, just like the ones at your local grocery store!
Pf tek part 2: http://m.youtube.com/watch?feature=c4-feed-u&v=ab6h0i49Hkg
Disclaimer: this video is intended for educational purolposes only!