Seeking Sour Food Source

Any sour food recommendation for sour craving? As I’m still in 1st trimester & get bloated easily. I couldn’t take in oily food will feel lot of discomfort & bloated. Recent have dinner accidentally like the sournesses of “Assam Fish Curry” realise my taste bud prefer sour food. Start to explore Sour Food World 😅 Appreciate any advise!