Is sour cream bad if watery?

Yes, watery sour cream is generally a sign that it's going bad. Here's why:

* Separation: Sour cream is an emulsion of fat and water. As it ages, the fat and water can separate, leading to a watery consistency.

* Spoilage: Bacteria can grow in sour cream, particularly in warmer temperatures. This growth can cause the sour cream to become watery and develop an off smell or taste.

How to tell if it's bad:

* Smell: Sour cream should have a tangy, pleasant aroma. A sour, rancid, or even slightly off smell indicates spoilage.

* Taste: If it tastes bitter, sour, or otherwise unpleasant, it's likely gone bad.

* Appearance: Besides being watery, look for mold, discoloration, or a slimy texture.

If you're unsure, it's best to err on the side of caution and throw it out. Food poisoning can be serious, so it's not worth the risk.

To help prevent sour cream from going bad:

* Store it in the refrigerator: Keep it in the coldest part of your refrigerator.

* Use it within its expiration date: Sour cream has a relatively short shelf life.

* Don't let it sit out at room temperature for too long: Bacteria grow quickly at room temperature.