To boil walnut oil, first of all, you need to prepare a large iron pot, it is best to use firewood to burn, so as to ensure the fire. In order to ensure the quality and nutritional value of walnut oil, the selected walnuts should also be of high quality. After preparing the walnuts, it is necessary to chop them with a knife, so that it is more convenient for the secretion and simmering of the oil. After chopping, you can pour the chopped walnuts into the iron pot, and then keep stirring until overflowing with flavor.
Manual preparation to this point can be utilized oil press to simmer. The oil press should be preheated before boiling, and then pour the walnuts into the oil funnel while it is still hot. Start the switch of the oil press can begin to press the oil, it should be noted that the oil press when the oil residue first out, and walnut oil is from an outlet outflow, in the loading time must be clear about the two outlets. In general, 4 pounds of walnuts can squeeze a pound of oil, the oil yield is still very good. Hand boiled although a little trouble, but can better guarantee the freshness of the raw materials and the quality of the oil extracted, generally speaking, will be more than the market more guaranteed.