This Vegan No-Bake Tiramisu Cheesecake is crafted with layers of velvety vanilla-rum-infused mascarpone and coffee-infused cheesecake atop a crumbly, no-bake biscuit base. This showstopping dessert marvelously blends the iconic flavors of tiramisu with the rich, smooth texture of cheesecake — all without any dairy or eggs!