To improve the difficult work or complicated work in the cooking by a frying pan.

An auxiliary frying pan, capable of improving the cooking work by using it together with a conventional frying pan, is provided. The height 1T of a handle of the auxiliary frying pan 1 is at least the depth 2B of a frying pan 2 used together as indicated in the figure. The center of gravity of the auxiliary frying pan 1 is located within a flat plane in contact with the frying pan 2, so that the auxiliary frying pan can be horizontally put on a cooking surface 2A. The depth 1B of the auxiliary frying pan 1 is thinner than the frying pan used together.