Glamorgan sausage is a traditional Welsh

Welsh cuisine

Welsh cuisine is the cuisine of Wales. It has influenced, and been influenced by, other British cuisine. Beef and dairy cattle are raised widely. Sheep farming is extensive in the country and lamb is the meat traditionally associated with Welsh cooking, particularly in dishes such as roast lamb...

 vegetarian sausage whose main ingredients are cheese

Cheese

Cheese is a generic term for a diverse group of milk-based food products. Cheese is produced throughout the world in wide-ranging flavors, textures, and forms....

 (usually Caerphilly

Caerphilly cheese

Caerphilly is a hard, white cheese that originates in the area around the town of Caerphilly in Wales, although it is now also made in England, particularly in the South West and on the English border with Wales...

), leek

Leek

The leek, Allium ampeloprasum var. porrum , also sometimes known as Allium porrum, is a vegetable which belongs, along with the onion and garlic, to family Amaryllidaceae, subfamily Allioideae...

s and bread

Bread

Bread is a staple food prepared by cooking a dough of flour and water and often additional ingredients. Doughs are usually baked, but in some cuisines breads are steamed , fried , or baked on an unoiled frying pan . It may be leavened or unleavened...

crumbs.

Glamorgan sausage is mentioned by George Borrow

George Borrow

George Henry Borrow was an English author who wrote novels and travelogues based on his own experiences around Europe. Over the course of his wanderings, he developed a close affinity with the Romani people of Europe. They figure prominently in his work...

 in his work, Wild Wales

Wild Wales

Wild Wales: Its People, Language and Scenery is a travel book by the English Victorian gentleman writer George Borrow, , first published in 1862....

, written in the 1850s and published in the next decade. They were originally made with Glamorgan cheese, which seems to be no longer available, but Caerphilly cheese is a direct descendant of the old traditional Glamorgan cheese recipe and lends the same general texture and flavour.