✔ Updated · shelf life, bloom + storage
Chocolate rarely spoils in a way that makes you sick, but it does lose flavor and texture over time. Here is how long each type lasts and how to tell when it is past its best.
Plain chocolate rarely goes bad in an unsafe way because it is low in moisture, but it does go stale. Stored cool and dry, dark and unsweetened baking chocolate keep their best quality for about 2 years, milk chocolate about 1 year and white chocolate about 6 months. Past the date it is usually safe if it smells and tastes normal; throw it out if it has mold, smells rancid or sour, or contains spoiled fillings.
- Best-by, not use-by: the date on a chocolate bar is about quality, not safety.
- White coating? That is bloom, fat or sugar rising to the surface. It is safe to eat.
- Shortest life: white chocolate and chocolates with nuts, caramel, cream or fruit fillings.
- Storage: 60 to 70°F, dry, dark and well wrapped, away from strong smells.
How Long Does Chocolate Last?
These are best-quality times for chocolate stored in a cool, dry pantry. The less dairy and the fewer perishable fillings a chocolate has, the longer it keeps.
| Type | Unopened (pantry) | Opened (well wrapped) | Notes |
|---|---|---|---|
| Dark chocolate (60% and up) | About 2 years | About 1 year | Longest-lasting eating chocolate |
| Unsweetened baking chocolate | About 2 years | About 1 year | Pure cocoa solids and cocoa butter; very stable |
| Semisweet chips | 1 to 2 years | 6 to 12 months | Reseal the bag tightly |
| Milk chocolate | About 1 year | 8 to 10 months | Milk solids go stale sooner |
| White chocolate | About 6 months | About 4 months | No cocoa solids; most prone to off flavors |
| Filled chocolates and bars with nuts or caramel | 3 to 6 months | Weeks to a few months | Fillings and nuts turn rancid first |
| Fresh truffles and ganache | 1 to 2 weeks (refrigerate) | Up to 2 weeks, chilled | Contain cream; treat as perishable |
| Cocoa powder | 2 to 3 years | 1 to 2 years | Loses aroma slowly; keep dry |
Can You Eat Expired Chocolate?
Usually, yes. The date on most chocolate is a best-by date. Plain dark, milk and baking chocolate are too dry for most bacteria to grow, so a bar a few months or even a year past its date is normally safe, though it may taste flat, dusty or slightly waxy. For a filled chocolate treat to make at home, try our pistachio filled chocolate bars.
Be stricter with anything that contains dairy-rich fillings, cream, fresh fruit or nuts. Those parts can go rancid or moldy, and fresh truffles with cream should be treated like any other perishable dessert.
How to Tell if Chocolate Has Gone Bad
Check it with your eyes, nose and a small taste before using old chocolate:
- Mold: fuzzy green, blue or black spots, usually on filled chocolates or chocolate that got damp. Throw it out.
- Rancid or sour smell: a paint-like, stale-oil or cheesy smell means the fats or fillings have gone off.
- Stale taste: flat, cardboard-like or bitter in an unpleasant way. Safe, but not worth eating.
- Absorbed odors: chocolate picks up smells from onions, spices or the fridge, which can make it taste off.
- Pests: tiny holes, webbing or crawling insects in old pantry chocolate. Discard it.
- Gray or white coating only: that is bloom, not spoilage (see below).
What Is the White Stuff on Chocolate?
A dusty white or gray film on chocolate is called bloom, and it is safe to eat. It changes the look and can make the texture a little crumbly, but it is not mold.
Fat bloom happens when chocolate gets warm and some cocoa butter melts and rises to the surface, leaving soft gray streaks. Sugar bloom happens when moisture, often condensation after the fridge, dissolves sugar on the surface; when it dries it leaves a rough, powdery white layer. Bloomed chocolate is perfect for baking, brownies, hot chocolate or melting, because melting restores its smooth texture.
How to Store Chocolate So It Lasts
- Keep it cool: 60 to 70°F is ideal. Above about 75°F chocolate softens and is likely to bloom.
- Keep it dry and dark: store it away from the stove, dishwasher, windows and sunlight.
- Wrap it well: leave it in its foil, or wrap opened bars tightly and put them in an airtight container.
- Keep strong smells away: do not store it next to spices, coffee, onions or garlic.
- Fridge only if needed: in a hot kitchen, double-wrap it, refrigerate, and let it come to room temperature before unwrapping so condensation does not form on it.
- Freezing: well-wrapped chocolate can be frozen for longer storage. Thaw it in the fridge overnight, then at room temperature, still wrapped.
Does Baking Chocolate Go Bad?
Unsweetened baking chocolate and semisweet chips last longer than most eating chocolate because they contain little or no milk. They keep their best quality for about 2 years unopened in a cool pantry and are usually fine after that if there is no rancid smell.
Old baking chocolate often shows bloom and may melt a little less smoothly, but it bakes perfectly well in recipes like chocolate chip cookies, banana oatmeal chocolate chip cookies and chocolate covered pretzels.
Common Mistakes
- Throwing out bloomed chocolate: it is safe; melt it or bake with it instead.
- Storing chocolate in the fridge unwrapped: it picks up odors and sugar bloom from condensation.
- Keeping it near the stove or a sunny window: heat swings cause fat bloom and soft, grainy bars.
- Treating fresh truffles like a candy bar: anything made with cream belongs in the fridge and should be eaten within about 2 weeks.
More Food Storage Guides
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- How long do macarons last?
Frequently Asked Questions
Can chocolate go bad?
Chocolate can go stale, rancid or moldy, but plain chocolate rarely becomes unsafe. Its low moisture keeps most bacteria from growing. Over time it loses flavor, picks up odors and may bloom. Chocolates with cream, nuts, caramel or fruit fillings spoil sooner and should be checked carefully.
Is it safe to eat expired chocolate?
Plain chocolate past its best-by date is usually safe if it has no mold and smells and tastes normal. Dark chocolate holds up best, often well beyond the date. Discard chocolate that smells rancid or sour, has fuzzy mold, shows pests, or contains spoiled cream fillings.
Can baking chocolate go bad?
Unsweetened baking chocolate lasts a long time, about 2 years for best quality, because it is just cocoa solids and cocoa butter. It can eventually taste stale or rancid. Bloom is common on old baking chocolate and is harmless; it melts smoothly into batters and sauces.
Why does my chocolate have a white coating?
A white or gray film is bloom. Fat bloom forms when cocoa butter melts and resurfaces after warm storage; sugar bloom forms when moisture dissolves surface sugar. Both are safe to eat. Melting the chocolate for baking or hot chocolate brings back a smooth texture.
Should chocolate be stored in the fridge?
Usually not. A cool, dry, dark pantry at 60 to 70°F is best. The fridge can cause condensation, sugar bloom and absorbed odors. If your kitchen is very warm, wrap the chocolate tightly, refrigerate it, and let it warm up before unwrapping.
