Tamarind Extraction — Proper Preparation Technique (इमली)

Pan-Indian — Tamarindus indica originated in tropical Africa but has been cultivated in India for over 3,000 years; the word 'tamarind' is Arabic 'tamr hindi' (Indian date)

Tamarind (Tamarindus indica) is India's primary souring agent, used across the entire culinary geography from Rajasthan (in dal) to Tamil Nadu (in sambar and rasam) to coastal Karnataka (in fish curries). The raw form — a compressed block of dried tamarind pulp with seeds and fibres — requires extraction to produce a usable liquid. Proper extraction involves soaking a portion of the block in warm (not boiling) water for 10–15 minutes, then pressing through the fingers and squeezing through a fine strainer to remove all fibres and seeds. The resulting extract ranges from thin-amber (dilute) to thick-brown (concentrated). Commercial tamarind paste (MTR, Laxmi brands) is a shortcut that sacrifices the volatile acids that give fresh-extract its brightness.

Sambar, rasam, chutneys, achaar, tamarind rice (puliyodharai), fish curries. The Indian kitchen's primary souring agent outside the yoghurt tradition.