This Mexican chocolate lava cake recipe is perfect for those who love a little bit of spice in their desserts. To make this cake, you will need Mexican chocolate, butter, eggs, sugar, flour, cinnamon, and cayenne pepper. Melt the Mexican chocolate and butter together, then whisk in the eggs, sugar, flour, cinnamon, and cayenne pepper. Pour the batter into ramekins and bake for 12-14 minutes. Serve warm with a sprinkle of cinnamon sugar.