Eggs

The egg is one of the staple foods.

An excerpt from the article 20 facts about eggs

As a rich source of nutrients, it forms the basis of many dishes. We most often and preferably reach for chicken eggs, but also duck, goose, turkey, and quail eggs. Hen eggs are eaten most readily in Eastern and Central Europe, duck eggs mainly in East Asia, and goose eggs are a local specialty over the Lower Rhine.