The Difference Between Jelly and Jam

Daven Hiskey May 27, 2010 17

Peanut Butter and Jelly SandwichToday I found out the difference between jelly and jam.

The difference between jelly and jam is that jelly is made strictly from the juice of fruit while jam is made from crushed fruit.  Specifically, jelly is made by crushing fruit, then straining out everything but the juice.  The juice is then boiled, typically with sugar and pectin added, the latter of which reacts with the sugar and heat to give the jelly a thicker consistency for spreading.

The first step in making jam is about the same as jelly, but instead of straining the juice, the crushed fruit is left in; often with the seeds left in, if they are relatively small, such as with certain berries.   Unlike most all jellies, jam may not contain pectin, as the mashed fruit will often give it sufficiently good consistency for spreading.

If you are wondering how to tell the difference between jelly and jam on sight, the jelly will spread pretty evenly, while the jam will tend to be a little lumpy.

Bonus Facts:

  • While there is a difference between jelly and jam, according to the U.S. Food and Drug Administration, jam and preserves are to be considered the same thing.  However, generally speaking, people call a fruit spread a preserve if the fruit chunks are somewhat large and it is called a jam if the chunks are relatively small and well mashed.  Thus, the FDA doesn’t consider the two different as they only differ in the relative amounts the fruit was mashed, which differs somewhat anyways from brand to brand.
  • Fruit “butters” are generally just a variety of jelly.  All the fruit is strained out to leave the juice.  The juice is then heavily enriched with a variety of things, such as pectin, and then can be whipped or cooked down until it becomes extremely thick.
  • Yet another name for certain fruit spreads is “conserves”.  These are simply jam where several different varieties of fruit are mixed to make the jam.  They also will occasionally include nuts mixed in.
  • Pectin is an indigestible carbohydrate, and thus is a good source of fiber in your diet.  When heated with sugar and water, it thickens into a gel.  It is found naturally in the cell walls of most fruits.
  • For whatever reason, jelly is significantly more popular with kids than jam and jam is significantly more popular with adults than jelly.
  • Around one billion pounds of fruit spreads are produced annually in the United States alone.
  • Nine flavors of jams and jellies account for over 80 percent of the total U.S. production, with about thirty additional flavors comprising the remaining 20%.  The most popular is grape jelly, followed by strawberry jam.
  • Annual retail sales of  all fruit spreads comes in around $630 million per year.
  • The average American person will eat around 1500 peanut butter and jelly sandwiches by the time they turn 18.
  • Jams and jellies have about half the calories of butter or margarine and unlike butter and margarine, contain zero fat.

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17 Comments »

  1. oddstray May 27, 2010 at 7:36 pm - Reply

    Jelly/jam terminology differs in the UK.

  2. Neil May 28, 2010 at 1:23 am - Reply

    Did you mean “on site”, or “on sight”?

    • Daven Hiskey
      Daven Hiskey May 28, 2010 at 5:48 am - Reply

      Indeed. Dang fingers are used to typing “site”. ;-)

  3. adhd May 28, 2010 at 6:59 am - Reply

    RIGHT, listen u twats, EXPORT grape jelly to Europe, it will sell

    all my kingdom for a decent PB&J sandwich

  4. Here Be Answers! May 29, 2010 at 4:30 am - Reply

    The “Factoid” section rocks! As much as the post! :D

  5. Jack Vermicelli June 7, 2010 at 3:38 pm - Reply

    “If you are wondering how to tell the difference between jelly and jam on sight, the jelly will spread pretty evenly, while the jam will tend to be a little lumpy.”

    I kinda disagree: grape jam for instance will spread smoothly and opaquely, while grape jelly has lumps of translucent gel-blobs which must be spread down to an acceptable smoothness with the knife. Jam is more like… cranberry sauce? While jelly is more like jello.

  6. Lance Otter Licks January 30, 2012 at 6:44 pm - Reply

    No no no, you guys got it all wrong. The difference is that I can’t jelly my cock down your throat

  7. rob September 19, 2012 at 5:57 am - Reply

    I agree with Jack! In fact, I was going to say the same thing after confirming no one else did, and Jack did. I buy Grape Jam for my PB&J sandwiches because Jelly is like having crunchy peanut butter and tries to tear the bread as it’s being spread. Jam goes on much easier and spreads fine where Jelly is horrible to get even across the bread.

    This is however the second place I’ve checked that implies jelly spreads easier than jam, so what gives with that.an The first I assumed was a typing error where the fingers did not match the brain, but to see that twice on the same subject from two separate locations… Na, something is wrong here, so what gives. Why say jelly spreads easier than jam when that is not the case???

    Sorry, I know this is old, but while making my PB&J I always wonder, but previously failed to look it up when done. This time I looked it up while eating them and they are good… :-)
    Rob

  8. Errour September 26, 2012 at 1:16 pm - Reply

    The real difference is you can’t jelly your dick down a girl’s throat.

  9. Anon January 7, 2013 at 2:27 pm - Reply

    Are you serious? Jam spreads evenly, while Jelly is spread lumpy. Very lumpy yuck!

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