Herein a method for cooling milk in a milking arrangement (4) is disclosed. A milk cooling apparatus (2) of the milking arrangement (4) comprises a coolant circuit (18) for heat exchange between milk and a coolant and a refrigerant circuit (20) for heat exchange between a refrigerant and the coolant. The method (50) comprises steps of: controlling (52) the refrigerant circuit (20) to maintain a predefined temperature range； receiving (54) a first signal relating to commencement or increase of a milk flow from a milking system (6) of the milking arrangement (4)； starting or increasing (56) circulation of coolant in the coolant circuit (18)； leading (58) the milk flow through the milk cooling apparatus (2).
