This classic chocolate lava cake is a decadent dessert that is sure to impress your guests. The outside of the cake is firm, while the inside is gooey and oozing with melted chocolate. It's the perfect dessert for any occasion, and it's surprisingly easy to make. The key is to not overbake the cake, so that the center stays molten. Serve it with a scoop of vanilla ice cream for the ultimate indulgence.