In addition to staples like chicken tikka masala, vegetable samosas, lamb curry and palak paneer, look for items inspired by popular cuisine of south India, Indochina and Indo-Thailand.

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Source: http://www.feastmagazine.com/the-feed/st_louis_news/article_2fef3a0c-02b8-11e8-8c48-4feb0cb17ecb.html