It's not hard to see why S'mores are so popular. The combination of crunchy biscuits, melted chocolate and gooey toasted marshmallow is all kinds of wonderful! I took inspiration from these glorious treats to come up with a Halloween-inspired dessert. With a buttery biscuit crumb base, rich chocolate mousse layer and ghoulish marshmallow ghost topping, these Spooky Chocolate Mousse Bars have all the S'mores flavour with an extra touch of scary! I used an easy, egg-free chocolate mousse recipe which contains marshmallows to help the mousse set so that the bars can be sliced easily. Of course, making the little...