de Buyer Copper Mixing Bowl

When you whisk egg whites in a copper bowl, copper ions react with the egg proteins to create a more stable, voluminous foam. This chemical reaction makes it significantly easier to achieve stiff peaks compared to using stainless steel or glass.

Copper naturally develops a patina over time, which many find aesthetically pleasing. To restore its original luster, simply wipe the exterior with a mixture of white vinegar and salt or a dedicated copper polish.

Yes, the riveted cast iron ring handle provides a secure, ergonomic grip that allows you to tilt the bowl easily while whisking. It is designed to offer stability, especially when you are working with large batches of ingredients.

No, this bowl must be hand-washed. Dishwasher detergents can be harsh and will cause the copper to tarnish or discolor rapidly, so warm water and mild soap are the best way to preserve its finish.

The 4-quart capacity is ideal for most standard baking tasks, such as whipping up to 8-10 egg whites or mixing medium-sized batches of batter. Its half-round shape is specifically designed to maximize the surface area for your whisk, making it highly efficient for aerating ingredients.