Store breast milk Breast milk at room temperature the coldest part of the fridge — at the back, on the shelf above the vegetable compartment. Unusual appearances of breastmilk from the Australian Breastfeeding Association. Free E-newsletter Subscribe to Housecall Our general interest e-newsletter keeps you up to date on a wide variety of health topics. Storing and transporting breast milk from AskDrSears. To scald your milk, heat it in a pot on the range just until bubbles form at the edges, then cool and freeze it.