What is it for? The egg whites bowl is used to stiffen whites into very firm peaks and without sugar crystallisation. It sometimes has a ring to aid handling and can be flat or round-bottomed. What is it made of? The bowls are usually made of copper, a material that is always good for use with sugar. The bowls come in several diameters. Bowl for beating egg whites into peaks. Copper bowl with handle and ring.
Material of construction
Handle & Ring
Preparation / laboratory
Cooking / Heating / Storing in a water bath