What Is Tempe?

Tempe (often spelled "tempeh" in English) is a fermented soybean product native to Java, Indonesia. Unlike tofu, which is made from soy milk, tempe is made from whole soybeans bound together by a white mold — Rhizopus oligosporus — into a firm, sliceable cake. The fermentation process gives tempe its distinctive nutty, earthy flavor and significantly boosts its nutritional profile.

In Indonesia, tempe is not a health food trend or a meat alternative — it is simply food. Everyday, democratic, delicious food that has been eaten across Java for at least several hundred years.

The Origins of Tempe

Tempe is believed to have originated in Java sometime before the 19th century, though some historians suggest it may date back as far as the 16th century. The earliest reliable written reference to tempe appears in a Javanese manuscript, the Serat Centhini, compiled around 1815. In it, tempe appears not as a novelty but as an already-familiar food — suggesting its origins stretch back even further.

The development of tempe likely occurred as soy cultivation spread into Java from China, and local communities discovered that fermenting the beans made them more digestible, longer-lasting, and more flavorful. This is fermentation as practical ingenuity — a solution born from a tropical climate and limited preservation options.

Tempe in Javanese Food Culture

In Java, tempe is eaten daily and across all social strata. It appears on the plates of villagers and city professionals alike. The most common preparations include:

  • Tempe goreng – Simply sliced and fried until crispy, often seasoned with a little garlic and salt. One of the most satisfying snacks in Indonesian cuisine.
  • Tempe bacem – Tempe braised in palm sugar, tamarind, and spices until deeply caramelized. A Javanese specialty with a sweet-savory depth.
  • Tempe penyet – Fried tempe smashed and served with raw chili sambal and tomato. Earthy, spicy, and punchy.
  • Tempe mendoan – A specialty of Purwokerto in Central Java, thin slices of tempe half-fried in a light, herby batter so they stay soft inside. Best eaten hot from the pan.

Nutritional Value: Why Tempe Earns the "Superfood" Label

Tempe is genuinely nutritious, without any marketing hype required. The fermentation process breaks down phytic acid in soybeans, making minerals like zinc, iron, and magnesium more bioavailable. It is also a complete protein source, containing all essential amino acids, and provides a meaningful amount of dietary fiber and B vitamins.

Nutrient Per 100g Tempe (approx.)
Protein ~19g
Fat ~11g
Carbohydrates ~9g
Dietary Fiber ~9g
Iron ~2.7mg

Tempe Beyond Java

Today, tempe is made and eaten across Indonesia and has found enthusiastic audiences in Europe, North America, and Australia. In the Netherlands — Indonesia's former colonial ruler — tempe has been a familiar ingredient for generations, carried over by Dutch-Indonesian immigrants. Its global rise in recent years as a plant-based protein has finally introduced tempe to a worldwide audience, though Indonesians will rightly note they've known about it for centuries.

Respecting the Original

As tempe grows in global popularity, it's worth acknowledging its Javanese roots. This is not a "discovered" food — it is a living, evolving part of Indonesian culinary heritage. The best way to appreciate tempe is to eat it the way Indonesians do: fresh, simply prepared, and alongside rice, sambal, and good company.