Lawa (Popping)लावा
Lawa (लावा) is the traditional Bihar term for the popping process that transforms dense raw makhana seeds into light, edible white puffs through controlled heat and moisture.
The lawa process is the critical transformation step in makhana production. Raw seeds (thurri) are first sun-dried, then roasted in hot sand or a rotating drum at 200–250 °C. The high heat converts internal moisture to steam, building pressure inside the hard seed coat. The seeds are then removed, lightly moistened (sprinkled with water for thermal shock), and re-roasted. This second heating causes the steamed seed to explode outward — increasing in volume by 3–4× — producing the familiar white, porous puff. The skill of the lawa operator determines the final quality: under-popped seeds are dense and chewy; over-popped seeds shatter. Golden Deer's touchless roasting facility uses automated temperature control to achieve consistent popping across every batch.
Related Terms
Moisture content is the percentage of water in raw or popped makhana — the single most critical quality parameter that determines popping success, shelf life, and texture preservation.
Thurri (Raw Seed)थुर्रीThurri (थुर्री) is the Bihar trade term for raw, unpopped makhana seeds — hard, dark-brown-to-black seeds harvested directly from Euryale ferox seed pods, dried to 12–14 % moisture for storage and trade.
Touchless Roastingस्पर्श रहित भूननाTouchless roasting is a dry-heat popping method where makhana seeds are roasted in a rotating drum with automated temperature control — no oil, no direct contact with heating surfaces, and no manual handling during the process.