How early can I bake a cake?

How early can I bake a cake?

Easy Make-Ahead Cake Tips Unfrosted cakes: Keep at room temperature, tightly wrapped in plastic, for up to 2 days, or freeze for up to 2 months. (Thaw before frosting.) Frostings and fillings: Refrigerate frosting in an airtight container for up to 1 week. (Bring to room temperature before using.)