Plomeek soup is a food made by Vulcans, a type of soup made from plomeek. Different preparations of this dish include plomeek broth.
Plomeek soup was one of many dishes prepared in the food processor units aboard the USS Enterprise. (TOS reference: Mr. Scott's Guide to the Enterprise)
Sellassars, the Kendarayan envoy who visited the Federation in 2372, was fond of plomeek soup. (TNG - Slings and Arrows eBook: That Sleep of Death)
Thoth, an alien formerly worshipped as a god by the ancient Egyptians, found plomeek soup "intriguing" during a visit aboard the USS Excalibur. (NF novel: Being Human)
- Presumably, this dish is mostly or all vegetarian, in accordance with mainstream Vulcan custom.
Leskit enjoyed the plomeek soup served at the restaurant Vulcan Cuisine in the First City on Qo'noS. (KE novel: A Burning House)