As a general rule of thumb, this process works best with whole, uncut cakes. Don’t keep uncovered cakes in the freezer for an extended period of time.
Ideally, the icing should be hardened on the outside.
The goal of the wrap is to keep any moisture from getting into the cake. If there’s any gaps or air holes within the plastic wrap, it could negatively affect your cake’s freshness. If the cake isn’t wrapped tightly, then other foul odors can potentially absorb into the cake. [4] X Research source
The cake can stay there for 4-6 months. [7] X Research source
Touch the cake to make sure that it’s completely cool before you wrap it up.
If you plan on keeping them at room temperature, place the cake layers in a sealable plastic bag to provide an extra layer of protection.
Keep it in the freezer for up to 6 months. [16] X Research source
While these desserts are difficult to preserve due to their size, many couples opt to save some of the cake for a later event, like their first anniversary.
Whenever you put the cake in the freezer, make sure that there are no nearby items that could fall on and otherwise damage the dessert.
If the frosting is made with perishable ingredients, like mascarpone or whipped cream, then it needs to be refrigerated.
Avoid wrapping the cake in only foil, as this can lead to freezer burn.
Move the cake to the refrigerator 1-2 days before you plan on eating it. [22] X Research source
