Yes! You can make both the carrot cake and the cream cheese frosting in advance, but don't assemble the cake until the day you plan to serve it. u003cbr/u003eu003cbr/u003eWrap the cake tightly in plastic wrap and store it at room temperature. Keep the frosting in an airtight container in the refrigerator, and give it a good whisk before pouring it onto the cake. If it seems too thick, you can let it sit at room temperate briefly before using it.