I've refrained from calling it a mousse because I know mousse connoisseurs will claim "there's no eggs, it's not a mousse!" But it comes out rich and velvety like any real mousse. A note about the portions: I said it makes enough for four, but I used martini glasses to serve it in and it didn't quite fill them as much as I would have liked. So depending on the size of what you're using to serve the mousse-like dessert in, you might want to make sure you have enough whipped cream to add some on top. It also tends to be a bit rich, so you may be happy with smaller portions, also. From the Hersheys website.