I was reading on the web today, sorry I did not think of recording the address, where someone had taken a bag of fresh coffee grounds and simply dropped in some fresh oyster mushrooms. They claim the mycelium grew through the coffee grounds and fruited.

Now I just have to try this! The only thing I did differently was to use beech mushrooms.

I drove to our local supermarket, purchased a pack for $4.00 CAD ($4.00 ! Yes, I want to grow these myself!), and then picked-up some FREE coffee grounds from Starbucks.

One of the clear plastic bags include coffee grounds and filters, the other and the Starbucks bag include only coffee grounds from the expresso machine.

I simply dumped large pieces of mushroom into the bags and gently mixed things around with my hands.

This should be interesting.