piccalilli

noun2

1. •
   (UK) A yellow pickle relish made from cauliflower, vegetable marrow, and other vegetables, pickled with vinegar, salt, sugar, and spiced with mustard, turmeric, and other spices.

   • There are, however, exceptions. Piccalilli – aka “mustard with other stuff”, aka “that noble Anglo-Indian spiritual creation” – is great with ham, he conceeds^([sic]). — 2020
2. •
   (US) A pickle, typically on a base of chopped green (unripe) tomatoes, but sometimes finely-chopped pickles, and possibly including other vegetables.