Is It Jam or Jelly or Preserves? (Or Marmalade?)

“What’s the difference between jam and marmalade?” is the question we receive most frequently at farmers’ markets. We’ve had so much practice explaining the difference that we thought we’d reproduce it here for you — that way you can become an expert at differentiating between different types of preserves! If you find yourself craving more in-depth information after reading this article, you can learn even more in The Blue Chair Jam Cookbook.

Preserves: Preserves constitute a broad category that includes jam, jelly, and marmalade, as well as pickles, chutneys, and any other canned food. Basically, if you (or someone) has put in work to make food last longer than it would on its own, it’s considered a preserve. Everything we make is technically a preserve.

Jam vs Jelly & Marmalade: Jams differ from jellies and marmalades on two fronts: 1) the end product, and 2) the way we achieve that end product. For clarity’s sake, we’ll break it down by each part.

How each preserve is different

Jam has a rustic, homogenous appearance

Jam is perhaps the most well known fruit-based preserve. Jam appears very rustic: a squishy, somewhat homogenous spread where the original fruit is included and remains at least partially intact, even if it does look a bit different from the original fresh fruit. It is frequently possible to identify the original fruit just by looking at a jam. At its best, jam tastes much like the original fresh fruit.

Jelly is a cooked fruit juice that has set, with no actual pieces of fruit in it. At its best, it should be clear and free of any residual fruit particles, appearing almost translucent. The set should be firm but not gummy. It is difficult to tell merely by looking at a jelly what its constitutive fruit is. Unlike a jam, which capitalizes on the fresh flavor of the original fruit, a jelly’s flavor is that of the fruit after several hours of cooking.

Marmalade is a balanced combination of clear jelly with pieces of fruit suspended in it. This fruit may or may not be citrus. Marmalades can be truly exquisite, their balance of translucent jelly and opaque fruit pieces creating a beautiful look reminiscent of a stained glass window. Some marmalades, however, such as those made from Seville oranges, can tend to be much darker and so densely set that they become opaque. Marmalade, like jelly, does not taste of fresh fruit, though the pieces of whole fruit should maintain much of the original brightness of flavor.

Marmalade has clearly defined fruit pieces suspended in a jelly

About making each preserve

Jam, at its base, is made simply by cooking down whole or cut fruit with sugar and lemon juice. The jam maker’s primary goal is to preserve the original fresh flavor of the fruit itself. Many jams can be made in a single day and are relatively simple to prepare.

Jam cooking in our favorite copper preserving pan

Jelly is made by obtaining a cooked juice which has absorbed all the flavor and pectin of the original fruit. This is accomplished by simmering the fruit in water for a long time. Once the fruit’s flavor (or “personality”) and pectin have leeched into the water, the original fruit is strained out and discarded. The resulting juice is then boiled rapidly with sugar to a high enough temperature for it to “set” into a jelly as it cools. While some fruits possess enough natural pectin to set on their own after sufficient boiling, many require the addition of commercial pectin to ensure a set.

Marmalade takes the jelly-making process one step further by adding suspended pieces of fruit to the jelly. While there are different methods of making marmalade, it is generally a three-day process involving soaking and cooking the raw fruit in water, then adding sugar and lemon juice and cooking the marmalade until done. Although marmalade is frequently citrus-based, it is possible to incorporate almost any fruit into a marmalade.

The take-home message

The take-home message, which we fully encourage you to use to impress people at cocktail parties, is this: Jam is a simple, rustic preserve which results from cooking whole fruit with sugar until the mixture becomes cohesive. Marmalade has clearly defined fruit pieces suspended in a jelly, and is achieved through a longer process; this process is very different from jam-making, most importantly because the fruit involved is boiled in water. Of course, there are many permutations within these seemingly limited boundaries!

We hope these tips will help improve your preserve-identifying skills! Jams, jellies, and marmalades are a big world full of many delicious variations, and we’re happy to help provide some insight.

*All photos in this post are by Sara Remington, from The Blue Chair Jam Cookbook

27 comments

  1. […] This post was mentioned on Twitter by Rachelino, Blue Chair Fruit Co.. Blue Chair Fruit Co. said: Is It Jam or Jelly or Preserves? (Or Marmalade?): http://bit.ly/hkf6cb […]

  2. Funny. I’ve always been told a slightly different list of definitions on what those terms mean.

    Preserves: Made with whole fruit intact or cut into medium to large chunks
    Jam: Made with fruit that has been cut to smaller pieces or has been pureed afterwards
    Jelly: Made with the juice of the fruit
    Marmalade: Made with the rind or fruit peel of fruit, usually citrus, but other fruit can be added to.

  3. […] most frequent questions we receive (other than "What's the difference between jam and marmalade?") are from people wondering how one enjoys jam or marmalade other than on toast — or maybe on […]

  4. hi, what i’m confused about in your cookbook is sometimes it says to peel and core the fruit and sometimes it doesn’t. Should i assume then that in those instances it doesn’t specify, that i (quarter for example) the whole fruit with peel and core / seeds in tact? for example, the 5# of quince in the quince recipe on p.296

    help please!!!

  5. Loni — you are correct that peeling/coring is only necessary when specified. When not in the recipe instructions, leave the peel and seeds intact to maximize your pectin. Have fun!

  6. […] have always had a slight curiosity about making jam. Jam holds a special place in the lives of some people, and because of that those people know what the […]

  7. My blackberry, strawberry jam did not set good,what should I do?

  8. Soooooo, does this author like marmalade or what??? Marmalade:this author::butter:Paula Dean

  9. Hi Maggie-Sorry for the late reply!We are already doing a gnlneiag at Orcutt Ranch for the Mayors day of service We’d be happy to learn more about Hope of the Valley Mission please EM thanks!

  10. AFAIC that’s the best answer so far!

  11. Kudos to you! I hadn’t thought of that!

  12. This is weak as fuck

  13. A 3 day process for marmalade? I typically make it in a single day. Making about 8lbs in a batch.
    Seville oranges have such a short season that it all has to be done in January/February.
    I typically make 3 or 4 batches. With different sugars and different set temperatures. For a light coloured marmalade a set temp of around 219. For the deepest darkest a set temp of 224.
    Sugars vary: 100% white granulated. 80% white and 20% jaggery (indian raw sugar), 80% white 20% soft brown. I typically cook the 80/20 white soft brown to the higher set point.

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