Central Thailand; Thai curry paste tradition c. 19th century; vegan versions (using miso or omitting kapi) widely practiced in Thai Buddhist communities.
Thai green curry is inherently adaptable to vegan cooking — the paste itself is naturally vegan in its base (lemongrass, galangal, green chiles, kaffir lime, coriander root, garlic, shallots), and coconut milk, the liquid medium, is plant-based. The traditional inclusion of shrimp paste (kapi) is the single non-vegan element: substitute white miso paste or additional salt and the paste becomes fully plant-based. With tofu, aubergine, bamboo shoots, and Thai basil as the protein and vegetable elements, the result is a dish of authentic character. The key to vegan Thai green curry is treating the coconut milk correctly: a portion of the thick cream is reduced with the paste until fragrant oil separates ('cracking' the coconut cream) before adding the lighter milk and vegetables. This technique intensifies the paste's aromatics and produces a richer, more complex sauce than simply adding coconut milk and paste together.
Crack the coconut cream — separate the thick cream from the tin, cook down with the paste until oil separates and the paste smells intensely fragrant Use white miso as a shrimp paste substitute — it provides fermented umami without fish; add equivalent weight Firm tofu should be pressed and pan-fried before adding to the curry — unfried tofu crumbles and absorbs the sauce without contributing texture Aubergine and bamboo shoots are the traditional vegetables — they take on the curry sauce beautifully over 8–10 minutes of simmering Nam pla (fish sauce) is replaced with soy sauce plus a drop of rice vinegar for fermented depth Thai basil goes in at the very end, off heat — it wilts immediately and should not cook
Make your own paste for special occasions — the flavour difference over commercial paste is enormous, and the paste can be made in batches and frozen Kaffir lime zest (not just leaves) grated into the paste at the finish brightens the entire curry For the most authentic vegan version: a piece of smoky charred galangal added to the cracking paste deepens the smoke note
Not cracking the coconut cream — a curry with uncaught coconut milk and paste combined is thinner and less complex Adding all coconut milk at once — splitting cream and milk gives better control of consistency Using Italian basil instead of Thai basil — the flavour difference is significant; Thai basil has a licoricy, peppery quality Over-cooking the curry after adding vegetables — green curry vegetables should retain some texture Using an old paste — green curry paste is highly perishable even refrigerated; use fresh paste within 3 days or freeze