If you’re interested in eating more plant protein, a little fermentation can go a long way. Words & Images: Diana Noonan WHAT IS TEMPEH?  Tempeh (pronounced tem-pay) is made of fermented soybean or other legumes, inoculated with the mould Rhizopus oligosporus (known as RZ). Tempeh is best described as a ‘cake’ of fermented soy. In … Continue reading How to make tempeh: the high-protein, low-fat food you can ferment yourself