Layered bottom stockpots

 

— a multi-layer bottom is usually made of three layers. The inner one is made from a material with high heat capacity and thermal conductivity (for example, copper), and the outer ones are made from the main material of the pan. The advantages of a multilayer design are uniform heating and slow cooling, and the tendency to deformation from temperature changes in such dishes is lower. On the other hand, complexity in production has a corresponding effect on price.