An overripe banana may have brown spots or streaks of brown and black on the peel or even be mostly black on the outside. A mushy banana that has a few soft spots may also be overripe. ... Overripe bananas may not be as pretty as perfectly yellow bananas, but they are still perfectly safe to eat.

Are bananas ever too ripe for banana bread?

Remember, a banana can never be too ripe for banana bread — unless it's started to get moldy, infested with fruit flies, or begins to rot.

How do you know when bananas are bad?

To tell if a banana has gone bad, look for mold growing on the skin. Also, if there is liquid underneath the bananas, it's a sure sign that they have gone bad. The best way to see if a banana has gone bad is to unpeel it. If the flesh is a brown color and is very mushy, it has gone bad and should not be used.