TIL of Portable Soup, also known as pocket soup or veal glue. A precursor of meat extract, bouillon cubes, and of industrially dehydrated and instant food, it is essentially a partially dehydrated broth and a solid counterpart of meat glaze.
en.wikipedia.orgSubmitted by IPeeFreely01 t3_ze7l5p in todayilearned
IPeeFreely01 OP t1_iz4ry3o wrote
>The jelly was variously described by Plat as a meat broth boiled down to a thick and dry paste which he called "gelly”: "Victual for Warr", "Dry gelly carried to the sea", and “A food for soldiers on the march.”