The disclosure relates to a method for preparation of a food product. The method comprises the following steps: applying on the food product a batter composition; applying on the food product a coating composition; applying oil on the food product, wherein said batter composition, said coating composition and said oil form a coating of the food product; subjecting the food product and the coating to a hot air cooking treatment in an impingement oven at such a temperature and for such a period of time that the coating is cooked while the food product remains substantially untreated by the hot air cooking treatment, wherein the temperature of the hot air cooking treatment is in the range of 230° C. to 290° C. and wherein the hot air in the hot air cooking treatment is applied on both the top and the bottom of the food product.