This is not for the weak stomached! Guga - salted, dried gannet. I have never tried it, nor will I! Guga - Scottish Food Guide
Crappit Heid Traditionally fish heads stuffed with oat meal and fish liver. Yuuuuuk lol. A history of Crappit Heid, including a recipe for making your own - Scotsman Food and Drink
My mother in law said she ate this as a child at her Hebridean grandparents. Almost certainly a poverty dish. It was cod heads stuffed. She said I’d was good and there was a lot of meat on a cod's head. I'll still give it a miss.
Skirlie Oatmeal fried in animal fat. For sophistication, onions can be added. In truth, another poverty food from hard times.
Cairgein Dessert made from milk and seaweed. Very pleasant, actually https://www.truehighlands.com/cairgein-seaweed-pudding-by-christy-ann-skivington/
Rag Pudding. another Lancashire concoption Rag pudding or rag pie is a traditional English delicacy made by cooking a combination of ground meat and onions in a suet pastry. The whole concoction is cooked in cotton or muslin rags, hence the name.
Daughter and I, the cooks in the house, have just discussed it and we wouldn’t use suet. Make it a bit healthier, if less traditional.