close up burning mark, oily stains after cooking on iron frying pan. ingrain burning on iron pan, big area of oily stains, burnt

aluminium area background big black blemish blot brown burn burnt closeup cook cooked cooking cookware dirty empty fat food frying handle hot ingrain iron isolated kitchen kitchenware mark meal metal object oil oily pan panfrying parched round rustic scorched single skillet spot stain stainless steel surface used utensil white