When it spoils, buttermilk can have slight discoloration. Buttermilk which is well past its expiry date might even have mold growing on the surface and around the lid. This is due to increased bacterial growth, and if there is any mold present in the buttermilk or on the container, you should just discard it straight away, it is not worth any foodborne illnesses that come with drinking bacteria-ridden buttermilk.
When it begins to turn bad, buttermilk develops a thick, clumpy texture. It will be difficult to pour and there will be large clots. There is no way to salvage buttermilk that has turned lumpy, as there is a good chance that it is spoiled. Take note that buttermilk does naturally have a small number of lumps, but this should not interfere with the way the buttermilk has been poured and the little clumps should break up when it is whisked and mixed in with other ingredients.
You might have missed the other signs of buttermilk being off, and taste might be the next option. Buttermilk does have a slightly tangy taste , but if the buttermilk tastes sour or off in anyways, it should be thrown away. Buttermilk should also have a buttery taste, with a certain creaminess, and this also disappears once the buttermilk starts to spoil.
A sure way to tell if your buttermilk has spoiled, if you are unsure whether looking at the other signs, is to look at the expiration date. If you cannot tell if it is off by smelling, tasting and looking at the texture, and it is before the expiration date, it should be fine to use. However, if it is a week past the expiration date, you should discard the buttermilk. Like any other dairy product, buttermilk does eventually spoil.
This bacteria growth is what causes the buttermilk to spoil, and makes it risky to drink after its expiry date as there is a higher chance of foodborne illnesses. All buttermilk will have a sell-by-date and an expiry-date. It is important to note that that you should still be able to use the buttermilk about a week past the sell-by date , but this also depends on how the buttermilk was stored and transported. Once the buttermilk container is opened, the degradation of the product happens faster.
It is best to finish a bottle of buttermilk within a week or two of being opened. Once again, this is also dependent on how well the buttermilk is stored and if it has been contaminated with any other products. This one is the one my mom always used while I was growing up. Buttermilk needs to be kept refrigerated and not left out to sit at room temperature.
If you are not planning on using the buttermilk straight away, rather leave it unopened, as an opened carton of buttermilk will not last as long as one that is unopened. Practice good hygiene when using the buttermilk, keep your fingers away from the lid when you are pouring and never drink straight from the carton , as this could introduce bacteria to the buttermilk which could cause it to spoil faster.
You also have the option to freeze buttermilk to further prolong its shelf life. There is a difference in opinions on using bad buttermilk for baking. While some reports claim that it is totally harmless, others say that risking food poisoning is not worth it.
If your reasoning is your wish to avoid wasting food, try freezing leftover buttermilk to avoid risking that it spoils. The fact that buttermilk can be frozen is great news for people who hate wasting food and watching their precious buttermilk go down the drain just because it is past its expiration date. You know best how much buttermilk you use for each baking or making a salad dressing.
It is usually half a cup or a full cup. Pour that quantity in Ziploc bags that can be sealed well and place in your freezer. Since buttermilk is liquid, the Ziploc bag will be flat and, once frozen, it will not take too much space in the freezer.
When you need half or full cup of buttermilk, just take it out of freezer and leave it on the countertop for about 15 minutes or in a pot with hot water for five minutes.
Your frozen buttermilk can last for up to three months in the freezer. Make sure to write the date of freezing on the Ziploc bag so you will know when they are past their expiration date.
Buttermilk is getting more popular in the western countries, although it has been regular food item in Asia for centuries. It has a nice, tangy taste and it works very well for baking biscuits and breads, marinating meat or making a salad dressing. Frozen buttermilk lasts for up to three months. Save my name, email, and website in this browser for the next time I comment.
Image: Lucky Belly Buttermilk is a delicious dairy product, slightly sour, low fat, healthy, and useful for baking, but delicious to drink as well. Though dairy milk is widely consumed, some can't or choose not to drink it. Here are the 9 best nondairy milks.
Given that the beginning of the term sounds similar to lactose, some people assume that lactic acid is related to milk products. This article reviews…. Health Conditions Discover Plan Connect. Cultured vs. This article tells you all you need to know about buttermilk and how long it lasts. Share on Pinterest. Shelf life. Buttermilk unopened Buttermilk opened Refrigerator up to 7—14 days past expiration date up to 14 days after opening Freezer 3 months 3 months.
How to tell if buttermilk has gone bad. The bottom line. Read this next. Is Buttermilk Good for You? Benefits, Risks, and Substitutes. The 7 Best Substitutes for Sour Cream. Is Dairy Bad for You, or Good? The Milky, Cheesy Truth. Can You Freeze Milk? Guidelines for Different Types. The 7 Healthiest Milk Options. The 9 Best Nondairy Substitutes for Milk. Is Lactic Acid Vegan?
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