Memoni biryani belongs to the Memon community — Sindhi-origin Muslim traders who scattered across Karachi, Mumbai, and East Africa during and after Partition. The Memons are famous in South Asian Muslim cuisine for being more spice-tolerant than almost any other community; Memoni food in general has a reputation for serious heat, and Memoni biryani is no exception. Karachi's Burns Road has been the unofficial Memoni biryani capital since the 1960s; Mumbai's Bohri Mohalla has its own variant. The dish also traveled with Memon traders to South Africa, Tanzania, and the UK, where it remains a wedding-and-eid staple. Identifying Memoni biryani: it is the spiciest commonly-encountered biryani, hotter than even Sindhi. Look for visible red color from extra red chili powder, prunes or dried apricots in the layers (a Memon hallmark), and tomato far more prominent than in Hyderabadi or Lucknowi. The rice is basmati, the meat is usually mutton or beef, and the marinade is yogurt-heavy. Memoni biryani is often slightly drier than Sindhi — less mint chutney, more masala penetration into the grains. Pair with raita (you'll want a big bowl), papad, and a glass of lassi to cool down. In the US, look for Memoni biryani at Pakistani-owned restaurants in Houston, Dallas, the Bay Area, and NJ tri-state — especially places run by Karachi-origin families. Bismillah Cafe in Hyderabad-Pakistan and Karachi Broast in Houston are good benchmarks.