Instagram member @dad_beets seems persuaded that any food can and therefore should be cooked in a waffle iron. And why not? It's a perfectly suitable griddle that leaves handy indentations to catch chocolate syrup.
Among his unusual uses for the waffle iron is preparing sushi, which does not, strictly speaking, have to be raw. These are spicy tuna avocado rolls that he purchased at a Whole Food store. @dad_beets froze the rolls for 20 minutes and heated the waffle iron as high as possible. Then he cooked them for under a minute, leaving each roll crispy. Here's what they look like:
-via The Vulgar Chef (NSFW)