Do marshmallows go bad?

Yes, marshmallows can go bad.

Have you purchased a packet of marshmallow and kept it in some corner that you forgot to eat it. Now you are worried that is it safe to eat after the expiry date.

In most of the cases, it will be safe to eat marshmallow but it also depends on how the marshmallow pack was stored. Before that let’s first understand how to identify if the marshmallow is spoiled and not healthy to eat.

How to tell if Marshmallows are spoiled or bad?

A marshmallow is a confectionery made up of sugar, water, and gelatin. Fresh marshmallows have a sweet aroma, non-sticky soft texture, and sugary taste. If the marshmallows are spoiled, you will notice

  • Decoloration: you will observe mould green or dark spots or patches on the marshmallow. For example in the case of white-colored marshmallow, the color might change to light yellowish.
  • We know that marshmallows are non-sticky but once spoiled they will become sticky.
  • Generally, marshmallows are soft and fluffy but they will become hard and have abnormally chewy texture when they go bad.
  • If they are kept in a humid environment for a long time, you will observe the change in taste and smell.
  • The presence of bugs such as ants in the bag also indicates that they not safe to eat.

How long marshmallows can last even after expire date?

If the marshmallow bag is not opened, then they might last for 6 to 8 months even after the expiry date. While if the bag is opened, it depends on how marshmallows are stored. If stored properly they can last for 2 to 4 months.

As per the general instructions available on the marshmallow packet, the marshmallows should be consumed before 6 months from their packaging and should be stored in a cool dry place. Marshmallow should be consumed within 3 days after opening the pack. After opening the package, they should be stored in an airtight container.  

Do You Know?

Ancient Egyptians were the first to enjoy a gooey treat now called marshmallow as early as 2000 BC

How to store marshmallow to last long?

Here are some of the tips to store marshmallow.

  • If the marshmallow bag is not opened, store them in a cool dry place and away from direct sunlight.
  • Always ensure that there is no leakage in the marshmallow package.
  • If the packet is open, then seal the bag using airtight locks or transfer them to an airtight plastic box.
  • Properly seal the open package and put them in the freezer if you are not going to use marshmallows for a long time. Take them out at least 10-15 minutes before using or eating them.
  • If the marshmallows are stuck together, you can sprinkle corn starch or powdered sugar on them.

To be on the safe side, avoid consumption or use of marshmallows after their expiry date.

If you are not sure whether the marshmallow is healthy to eat, don’t consume it. It’s better to have a new fresh bag of marshmallows instead of having a trip to a medical clinic.

Enjoy your sweet marshmallows!

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Professor Atom

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Professor Atom is a science enthusiast and alumni of IIT Bombay. According to him, every question can be solved with curiosity and mind mapping. ( Curiosity = Asking Questions = Learning )

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