tea bross [< Scottish brose oatmeal seasoned with salt and butter and moistened with hot water or milk]
See quote.
See also: brewis
- 1965  Nobody is starving in the village across Store Creek, although the poorer Indians are eating bannock (flour-and-water pancakes) and drinking tea bross (tea broth with lard, oatmeal and sugar) while whites eat steak and bacon and eggs.