What is brf cake?
BRF jars are the perfect growing medium for almost any gourmet mushroom strain. Step by step guide to the PF Tek. In this video I show you guys an updated BRF cake recipe. Making BRF cakes is the cheapest, easiest method of growing mushrooms for a beginner seeing as you do not have to invest in a pressure. I didnt invent this tek and havent really put any spin on it.