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How to Store and Transport a Custom Cake
Not Just Cake · May 23, 2026

You picked up a beautiful cake. Now you have to get it to a venue, a relative's house, or just to tomorrow morning without it sliding into ruin. The good news: cake transport is not that hard. The bad news: small mistakes ruin big cakes. Here is what we tell every customer at pickup.
How to transport a cake safely
- Floorboard, not the seat. The floor of the passenger side of your car is the flattest, most stable surface in the vehicle. Seats are angled and have springs underneath that bounce. Place the cake box on the floor with a non-slip mat or towel underneath.
- Run the AC. Buttercream softens above 75°F. Even on a cool day, run the AC at a moderate temperature. Hot summer transport with no AC will collapse a tier in 15 minutes.
- Drive smooth. Accelerate gradually, brake gently, take corners slowly. Imagine you have a cup of hot coffee on the dashboard.
- Avoid the trunk. Trunks get hotter and shift more than the cabin. Last resort only.
- For tiered cakes: if we did not deliver and assemble, transport tiers separately and stack at the venue. We will give you stacking instructions at pickup.
Storage by frosting type
- American buttercream: Stable at room temperature for 2–3 days in a sealed cake box, away from sun and heat. Refrigeration optional but not required. If you refrigerate, bring the cake to room temperature for 1–2 hours before serving — cold buttercream is waxy.
- Italian or Swiss meringue buttercream: Same as American, slightly more heat-sensitive. Room temperature 2 days, refrigerated up to 5.
- Cream cheese frosting: Refrigerate always. Within 4 hours of cutting if it is sitting at room temperature. Eat within 4 days. Bring to room temperature before serving.
- Whipped cream: Refrigerate immediately. Eat within 24–48 hours. Do not let it sit out for more than 1 hour at room temperature.
- Fondant-covered cakes: Never refrigerate. Refrigeration causes condensation, which melts the fondant surface. Keep at room temperature, sealed, away from humidity.
Saving leftover cake
- Slice off the exposed (cut) edges of the cake.
- Press a piece of plastic wrap directly against the cut surfaces — this prevents drying out.
- Cover the whole thing loosely with another layer of plastic wrap or a cake dome.
- Room temperature for 2 days; fridge for 4–5; freezer for up to 2 months.
How to freeze cake (yes, you can)
Many couples freeze the top tier of their wedding cake for their first anniversary. It works if you do it right:
- Chill the cake uncovered in the fridge for 1 hour first — this firms the frosting.
- Wrap tightly in plastic wrap, twice. Then in aluminum foil. Then in a freezer bag.
- Freeze. Will keep for up to 6–12 months in a deep freezer.
- To thaw: move to the fridge for 24 hours, then to the counter for 2 hours before eating.
It will not taste exactly like the day you ate it. But it will be a far cry better than store-bought frozen cake.
When to throw it out
- Any sour, off, or fermented smell.
- Visible mold on the frosting or exposed cake.
- Slimy or sticky frosting that should not be sticky.
- Fruit fillings that have separated heavily and turned brown.
- Cream cheese or whipped cream left at room temperature longer than 4 hours.