This depends on whether you that Tiramisu cake made of ingredients inside the put sour cheese, that may have some similar flavor, the normal is sweet, if there is cocoa powder will have a hint of bitter taste.

Tiramisu introduction:

Tiramisu (Tiramisu) is a kind of Italian dessert with coffee wine flavor. Using mascarpone cheese as the main ingredient, then replacing the traditional dessert sponge cake with finger cookies, adding coffee, cocoa powder and other elements. It is fragrant, smooth, sweet, creamy and soft with texture changes in your mouth, and the flavor is not just sweet.

In Italian, Tiramisu means "take me away at once", which means that when you eat this delicacy, you'll be so happy that you'll feel like you've ascended into a wonderland.