Will black beans smell if they are bad?

Yes, spoiled black beans will emit an unpleasant odor. In addition to the smell test, you can also check for other signs of spoilage, such as:

* Changes in color or texture: Spoiled black beans may appear discolored or have a slimy texture.

* Sour or rancid taste: If the beans taste sour or rancid, they are likely spoiled and should be discarded.

* Mold growth: Mold is a clear sign of spoilage and should not be consumed.

If you suspect that your black beans are spoiled, it is best to err on the side of caution and discard them.