soybeans mixed with tempeh starter put in perforated zip-top-bags ready for fermentation in a warm place

background bag beige being brown closeup copy cuisine culinary diet fermentation finger focus food foods fungus gourmet hand healthy holding homemade incubation indonesian ingredient mineral mold nutritious oligosporus oryzae pale people perforated person plantbased plastic preparing process protein rhizopus selective soybean space spores table tempe tempeh traditional vegan vegetarian vitamin well wellness whole wooden yellow