a grilling pan, comprising a grilling area, an insulation area, and a heat penetration area; the insulation area and the heat penetration area forming a continuous area; and the continuous area being arranged outside the grilling area;

wherein the heat penetration area is defined with at least one through hole, the at least one through hole is configured to allow at least a portion of heat to pass through and be transferred to the grilling area, the grilling pan is provided with an annular enclosure protruded outward along an edge of the grilling area, the annular enclosure comprises a first bevel and a second bevel, the first bevel and the second bevel of the annular enclosure define a notch at an intersection of the grilling area and the insulation area, the intersection of the grilling area and the insulation area extends from a longitudinal direction of the grilling pan, an outer edge of the continuous area of the grilling pan is provided with a convex ridge protruded outward, a first portion of the convex ridge is defined with a first indentation and a second indentation facing the notch of the annular enclosure, the first portion of the convex ridge is arranged on an outer edge of the insulation area and extends from the longitudinal direction of the grilling pan; and

a frying pan, wherein the frying pan is provided with a chamber recessed inward, a concaved wall of the frying pan is defined with an opening; a distance from a first end point to a second end point of the concaved wall of the frying pan is greater than a distance between the first indentation and the second indentation; and when the frying pan and the grilling pan are in a closed position, the first indentation and the second indentation are located between the first end point and the second end point of the concaved wall of the frying pan, and an inner wall of an edge of the frying pan and an outer wall of the convex ridge are mutually engaged.