What is the animal product used in making of Italian dessert

It's difficult to give a definitive answer to your question as many Italian desserts use various animal products.

Here are some examples:

Dairy products:

* Milk: Used in countless desserts, from panna cotta to ricotta cakes

* Cream: A key ingredient in tiramisu, panna cotta, and many others

* Butter: Often used in cookies, cakes, and pastries

* Eggs: Used in many desserts for structure, richness, and color

* Cheese: Used in some desserts, such as ricotta cake or cheesecake

Other animal products:

* Gelatin: Derived from animal collagen, used in panna cotta, mousse, and other gelatin-based desserts

Note: Many Italian desserts can be made vegan by substituting animal products with plant-based alternatives.

To give a more specific answer, could you tell me which specific Italian dessert you are interested in?