Place the stock (crush if you are using a cube), wakame seaweed and water in a mug.
Microwave for 1.5 minutes at 730W. (If your microwave has a "drink" setting, use that.)
Season with two shakes of salt and pepper and top with scallions and it's ready to drink...
... but it will be very hot, so be careful. The wakame softens if you leave it for a minute or two.
Story Behind this Recipe
I made this a lot when I was living by myself – I just had soup for breakfast.
You could use hot water instead of microwaving if you prefer, but be sure to leave the wakame to soften before drinking. Just eyeball the amount of water. Alter the amount of salt and pepper to suit your tastes.