Storage. Unfrosted cupcakes will last for 2 days at room temperature in an airtight container or 3 to 5 days in the refrigerator. Frosted cupcakes should be stored in an airtight container in the refrigerator for 3 to 5 days.
Make Ahead. You can bake the cupcakes a day or two in advance. Store them in an airtight container at room temperature or refrigerator or freeze for up to 2 months. Thaw overnight in the refrigerator.
Freezing. Cupcakes can be frozen for up to 2 months. Store in a freezer safe, airtight container. Thaw overnight in the refrigerator then bring to room temperature before eating.
Chocolate Buttercream
Storage. Frosting should be stored in an airtight container in the refrigerator for up to 5 days. Let the frosting come to room temperature before attempting to pipe if it’s too thick.
Make Ahead. You can make the frosting a day or two in advance. Store in an airtight container in the refrigerator.
