Start by breaking the dried seaweed into smaller pieces.

In your blender, combine the seaweed pieces, water, and salt. Blend until you achieve a smooth, thick paste.

Preheat your oven to 200°F (93°C).

Line your baking sheet with parchment paper.

Using a spatula, spread the seaweed paste evenly on the parchment paper, aiming for about 1/8 inch thick.

If using optional seasonings, sprinkle them over the paste now.

Place the baking sheet in the oven and bake for about 10 minutes.

Once baked, remove the sheets from the oven and let them cool completely.

Cut the sheets into desired shapes for easy use.