How long does Cheesecake last in the fridge once opened?
Turning the range into a date
Cheesecake keeps 5–7 days in the fridge once opened. Two clocks run on this item: one from the day it went into storage and one from the day the seal broke. Both are listed below, 2 rows in all.
- In the freezerUse by3 months to 6 months after the day you bought it
- Once opened · in the fridgeUse by5 days to 7 days after the day you opened it
Freezing changes the unit, not just the number
Here the freezer does not so much extend the answer as replace it. 7 days in the opened fridge becomes 6 months in the freezer: 26 times longer, and days turning into months. On the same shelf it sits 42 of 52, between Herbs at 10 days and Fruit pies, apple, peach, blueberry, apricot, cherry, blackberry at 1 week. Cake and cheese are the same food in the source list.
Every storage figure the USDA publishes for this item
The USDA rates this item cold or frozen and never at room temperature: no pantry figure exists for it, as for 222 of the 466 foods in the data that get no pantry time at all. The source also indexes it as cake and cheese.
- In the freezer3 months to 6 months
- Once opened · in the fridge5 days to 7 days
Can you freeze cheesecake?
Yes. The USDA gives cheesecake 3–6 months in the freezer from the day you buy it, and held at 0 °F food stays safe beyond that: the figure is about quality. Freeze it well wrapped while it is still well inside its fridge window: the freezer keeps quality, it does not restore it.
How to tell if cheesecake has gone bad
Go by the date first: cheesecake keeps 5–7 days in the fridge once opened. A sour or off smell, mold, slime or an odd color mean it goes out. The bacteria that make people sick change none of these, so past its window it goes out even if it seems fine. Never taste to test.
Sources: USDA FSIS: the danger zone USDA FSIS: freezing and food safety USDA FSIS: molds on food FDA: are you storing food safely FoodSafety.gov: the FoodKeeper app.
Is it still safe to eat, or just past its best?
The answer at the top of this page reads 5 days to 7 days in the fridge once opened. What decides that is the food and not the shelf the source files it on: Cheesecake is an animal food, or made with one. Past it, it is not safe to eat: throw it out without tasting, because bacteria build up while food still looks and smells fine.
The figure in the freezer here is a quality window. The same page carries windows of more than one kind, so which sentence applies depends on which row you are reading, not on the food.
It is past the date. Now what?
Say the calculator above puts Cheesecake past its 5 days to 7 days in the fridge once opened window, or the container sat out on the counter overnight. Throw the container out without tasting it, and count any hours it already spent out of the refrigerator as part of that window rather than on top of it.
The USDA's limit for perishable food standing at room temperature is 2 hours, or 1 hour when the kitchen is above 90 °F, and that clock runs whatever the storage figure says. Freezing stops the clock but does not turn it back: food already past its window is not rescued by putting it in the freezer. The whole rule, including the cases the source does not cover, is set out under what to do when the date has passed.
Items that behave the same way
The 6 items below are the closest match to this item by storage behavior, running 4 days to 10 days and bracketing its 7 days.
- Fruit pies, apple, peach, blueberry, apricot, cherry, blackberrykeeps exactly as long
- Muffinkeeps exactly as long
- Quichekeeps 3–5 days in the fridge once opened
- Commercial cakes and muffinskeeps 3–7 days sealed in the pantryup to 10 days in the fridge once opened
- Cream pies, banana cream, coconut cream, butterscotchkeeps 3–4 days in the fridge once opened
- Herbskeeps 7–10 days in the fridge
Where these numbers come from
Every storage time on this page is the USDA’s own published figure from the FoodKeeper data, one of the 9 it keeps per food, reproduced unchanged and never an estimate of ours. Where the USDA lists several kinds under one name, each kind keeps its own windows, and the page names the kind its answer is for. The dates and multipliers are ours, computed from those ranges.
Source: USDA FoodKeeper, retrieved 1 September 2026. Found a figure that does not match the source? Tell us on the contact page. How the site is built is on the method page.
USDA index terms: cake, cheese
KeepsUntil is an independent reference built on public USDA data. It is not affiliated with, endorsed by, or connected to the U.S. Department of Agriculture or the Food and Drug Administration. Whether a given window is a safety limit or a quality window is stated on the page that prints it.