Sour Cream
Quick answer: Sour cream lasts up to 3 weeks in the refrigerator at 40°F or below, whether opened or unopened. It is not safe to store at room temperature, and freezing is not recommended for quality reasons.
Sour cream is one of those fridge staples that shows up for taco night and then quietly expires behind the leftovers. The good news: kept cold and scooped with a clean spoon, it holds up for up to 3 weeks. The bad news: once it's gone, it's gone, there's no rescuing spoiled sour cream.
Pantry
Refrigerator
Freezer
How to store sour cream
Keep sour cream tightly covered in its original container or a clean airtight container in the coldest part of your fridge, not the door. Always use a clean spoon to scoop it out, and don't leave it sitting on the counter for more than 2 hours (less if your kitchen is warm).
How to spot spoilage
Toss it if you see mold anywhere on the surface or under the lid, pink or green or orange discoloration, a slimy or curdled texture that goes beyond normal slight thickening, or a smell that's sharper or more off than the usual tang. Some liquid separation on top is normal, stir it in. Separation plus a funky smell is not.
How to revive them
If it's still within date but looks a little separated, stir it gently before using. That's the only rescue move here, there's no bringing back sour cream that's actually gone bad.
Use it up before it spoils
- Stir into mashed potatoes instead of butter for an extra-creamy result
- Dollop over a bowl of chili or black bean soup right before serving
- Swap it for mayo in potato salad or coleslaw dressing
- Mix with taco seasoning for a fast dip that disappears at any gathering
- Fold into banana bread or coffee cake batter, it keeps baked goods moist for days
Recipes to try
allrecipes.com
Sour Cream Banana Bread
If you've got aging bananas AND sour cream both racing toward the finish line, this is the move.
allrecipes.com
Sour Cream Pound Cake
Dense, buttery, and dead simple, sour cream does the heavy lifting for moisture here so you don't have to.
food.com
Classic Sour Cream Potato Salad
Potato salad that skips the mayo and leans on sour cream instead, tangy, crowd-friendly, and a great way to use up a half-cup that's been sitting there since taco night.
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Best ways to preserve
- freeze
Nutrition at a glance
Per 24 g (2 tablespoons)
| Calories | 43 |
|---|---|
| Protein | 1.7 g |
| Carbohydrates | 1.7 g |
| Fiber | 0 g |
| Sugar | 0.1 g |
| Fat | 3.4 g |
| Saturated fat | 2.1 g |
| Sodium | 17 mg |
Source: USDA FoodData Central. Sour cream, reduced fat (SR Legacy)
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Frequently asked questions
How long does sour cream last after opening?
Opened sour cream lasts up to 3 weeks in the refrigerator at 40u00b0F or below. Using a clean spoon every time and keeping it tightly covered helps it stay fresh for the full window.
Can you freeze sour cream?
You can freeze sour cream, but the texture turns grainy and separated after thawing, it won't work well as a topping or dip. It's only worth freezing if you plan to use it in a cooked dish like a casserole or sauce where texture doesn't matter.
Does sour cream need to be refrigerated?
Yes, always. Sour cream should never be left at room temperature for more than 2 hours, and less than that if your kitchen is warm. It's not safe to store at room temperature.
How can you tell if sour cream has gone bad?
Look for mold on the surface or under the lid, pink, green, or orange discoloration, a slimy or curdled texture beyond normal slight thickening, or a smell that's sharper or more off than the usual tang. Some liquid separation on top is normal, stir it in. Separation plus an off smell means it's done.
Is it safe to eat sour cream past its expiration date?
The expiration date is a quality guide, not a hard cutoff, sour cream kept at 40u00b0F or below and handled with a clean spoon can still be fine within the 3-week refrigerator window. Use the spoilage signs (mold, off smell, discoloration) to make the call, not just the date.