There's actually 2 parts to this- both related.
Back in the day, i'd say 10+ years ago, I bought a book that had recipes for all sorts of things.
One recipe as I recall, was growing mycelium from simple store bought products.
THE ONLY PRODUCTS NEEDED:
(some other things i cant remember, but I do remember EVERYTHING as bought at the grocery store.)
Anyways, everything was prepared and pressurized.
After about 2 -3 days, a white patch of mycelium began to grow.
After about a week a cake was definitely forming.
I can no longer find this book in stores. It soon disappeared after the terrible tragedy (nineyearsthreemonthsago).
The cake never fully colonized because I couldnt find the proper PSI pressure cooker, so,
What I ended up doing was compensating by cooking for more time.
^^^I assumed that would work.
From the knowledge accumulated over the years I understand the cake was dried out from over cooking...
Not before forming a relatively decent looking cake.
AND I REPEAT:
NO SPORES, INNOC'S, PRINTS, nothing but grocery store items.
I really wish I had that book now.
There were some bogus things in there that did not work, mind you.
For ex: Peanut skins- haha yeah right...
^^^I wonder which dumbass tried that? (see OP)
Other things did turn out well.
And 10+ years experience later from growing shro- *ahem* i mean shiitakes,
I'd have to say the "mushroom-from-scratch" method is 100% doable.
One other thing, while on the same topic.
I often time make rice in the rice cooker.
And often I forget it's in there.
It sits in the cooker WITHOUT EVER HAVE BEEN OPENED AFTER COOKED.
Maybe about a week later,
I'll remember and open it.
An almight, white frizzy fuzzy patch of mycelium is colonizing inside.
Thanks in advance for the feedback.
-J.J. Shabadoo Jr.