It's a seaweed eaten in [South] Wales and Eire. I gather it is very salty. People cook it in bacon fat to make it palatable. https://en.wikipedia.org/wiki/Lav

It's a seaweed eaten in [South] Wales and Eire. I gather it is very salty. People cook it in bacon fat to make it palatable. https://en.wikipedia.org/wiki/Laverbread https://en.wikipedia.org/wiki/Laverbread