We often be told that, keep the temperature constant when you store ice cream at home or in the store. Why? If the ice cream soften and refreeze repeatedly, it will be hard. Because that, when the small ice crystals of ice cream melt and refreeze, they can turn into large, unpalatable lumps. Ice cream is best when stored between -5 and 0°F(-20 and -18°C), it will be firm enough to hold its shape.
