Maintaining a temperature around 85 to 90 degrees Fahrenheit (29 to 32 degrees Celsius) for twenty-four hours can be tricky. Making tempeh when the weather is hot is the easiest method. Other times, I generally use the oven of our propane stove with just the pilot light on, with a Mason jar ring propping the door open just enough so that it doesn't get too hot. I've also incubated larger quantities of tempeh in the greenhouse on a sunny day, then in a small room somewhat overheated by a wood stove at night. Be sure to maintain good air circulation around the incubating tempeh. Innovate, make it work.The last bit has my added emphasis. Sandor's voice in this book is ... what? Encouraging, reassuring, redoubling? Yes. Compassionate? Yes. He's succinct and direct while acknowledging hundreds of angles of uncertainties faced by his (hers/its/whatever/not-whatever) readers. At the end Sandor is telling folks it's up to them to figure out the process that works for them, where they find themselves. But by telling folks to make it work, the message is that inevitably we can make it work. Not WE, really, each of us can make our efforts produce something that works for ourselves.
It shouldn't be such a revolutionary act to tell people that they have the capacity to consciously change and direct their lives, but in fact, here we are. And this is why I love this book, even if I'm not a fan (yet) of tempeh.