Seaweed snacks made from nori are showing up at many stores, from the local supermarket to Costco. Sea vegetables, including “seaweed” are very nutrient rich, especially when it comes to minerals like iodine. Dulse is another type of sea veggie that can be found powdered. Unopened packages should be put into air-tight zip-top bags so they retain their crispy texture. Both impart a “flavor of the sea” to recipes.