Make This One-Ingredient Chocolate Mousse Tonight

Water is an ingredient, so it’s actually “Two-Ingredient Chocolate Mousse”.  Dark chocolate is the best choice for this, as it will melt easier.  The video fails to mention that it added 1 cup of [ice] water…

It may be simple, but it’s a good bit of work.  I think the reason they suggest a whisk is for fine control over texture, so you don’t run the risk of overmixing or causing the mixture to re-separate.