The disclosure relates to a method of improving the efficiency of fat separation in the separation of a liquid food product with a certain fat content. The method includes the method step that the liquid food product is caused to pass through a first separator where the product is divided up into a lighter and a heavier phase. The first separator is regulated so that the lighter phase will have a fat content which is less than 15%. The method also includes the method step that the lighter phase is caused to pass through a second separator.