Unless gathered absolutely fresh, seaweed tends to be sold dried. It is available fresh from May to June. Carrageen, or Irish moss, is used as a vegetarian gelling agent in some processed foods.

It gets its unmistakeable flavour from dried seaweed and flakes of dried fermented tuna. Equipment and preparation: you will need a sheet of clean muslin or a jay cloth. Preheat the oven to 190C ...

If you don’t live by the sea to forage your own, a friendly fishmonger might part with the fresh seaweed that oysters come ...

The final installment will feature a salad that uses a “dried food of the sea,” wakame seaweed. In Japan ... who supervised the cooking aspect of the recipe and who studied with an expert ...