PLEASE NOTE: this tutorial is for colder countries where the temperature in your house is no more than 22C. If your room temperature is above 25C, there is no need to cover the beans with tea towels or electric blanket. Just leave the batch in a safe place. How do I know when the house is around 25C? If I walk around the house in a tank top, or my underwear, or bikini. Heatwave, baby!
In this tutorial I experimented with red peanuts that I purchased from a Chinese Supermarket. If the skinless option is available, I do recommend to get that one. As you can see from the end result at the bottom of the page, the skins stopped the spores fermenting the peanuts.
The peanuts took longer to cook, it took around 45 minutes for the peanuts to soften.
The day before, rinse the peanuts several times and then add boiling water and soak overnight.
After boiling, strain off the water, let the water to drip off and leave to cool for at least half an hour. Try to split more beans by using a potato masher
Once cooled allow for the beans to dry on double tea towels. An electric fan will help to dry them faster. Dry until there is no more surface moisture. As a guidance, when the skins start to curl up, the peanuts are dry
Add Tempehtation Starter, mix through evenly.
Transfer to zip lock bags. Perforate both sides using the satay stick at a distance about 1cm. Ensure thickness no more than 2.5cm.
Place the packed peanuts on a clean tray and wrap it around with a thick blanket (as you can see, I use 3 tea towels). Put in the incubator of your choice (check our DIY incubator page
for inspiration). The incubator temperature I have set for the tempeh to ferment was 30C. Leave them undisturbed.
After 24-36 hours I didn't check for condensation but only switched off the incubator once the temperature inside reached 34C . I left them to ferment for a further 24 hours and the results can be seen above.
The tempeh texture was firm but a little crumbly due to peanut skins. I should have removed all the skins prior to fermenting. Taste very nutty but no aroma.
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