Chocolate ganache is a rich and creamy mixture made from chocolate and heavy cream. It is typically prepared by heating the cream and then pouring it over chopped chocolate, allowing it to melt. The result is a smooth, glossy substance that can be used in various desserts. Ganache can be used in multiple ways, such as a filling for cakes, a frosting, or even a sauce. It can also be flavored with ingredients like vanilla, coffee, or liqueurs to enhance its taste. Once cooled, ganache can be whipped to create a lighter texture for different applications.