In the fridge - keep the chowder in an airtight container for up to 4 days. A great option to provide a warming easy go-to meal. In the freezer - you can freeze the chowder for up to 3 months in portion sized containers. Before reheating you will need to defrost the soup overnight in the fridge before following the below instructions.  How to reheat - reheat the amount you want to use in a saucepan over a medium heat until the soup is hot throughout, about 10 minutes. Or you can use a microwave on high for 2 minutes, stirring halfway through the heating.