A method of improving the efficiency of fat separation in the separation of a liquid food product with a certain fat content. The method comprises the liquid food product is caused to pass two separators connected in parallel, a first and a second, in which 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 lighter phase from the first of the separators connected in parallel is led into the inlet conduit to the second of the separators connected in parallel.
