How to Make Jam

5 from 158 votes

Ever wanted to make homemade jam? This recipe will show you how to make jam out of any fruit to enjoy for breakfast, as a snack, or even on desserts!

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Want to learn how to make jam? Every homemade jam recipe uses the same technique: boil fruit, sugar, and lemon juice together until it thickens. Make it with strawberries, raspberries, apricots – any fav fruit! This super-simple jam recipe is a fun summer project, and it skips the tedious hot-water processing.

3 bowls of different homemade jams.
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This method skips the shelf-stabilizing, hot-water processing, which involves boiling the filled jars in hot water. So, it is sometimes called refrigerator jam, because it is always stored in the refrigerator.

WHY learn to make your own jam

  • Preserve in-season fruit. This recipe takes advantage of the bountiful, fresh, and well-priced seasonal berries and stone fruits at your supermarket, farm stand, or maybe even in your backyard!
  • Control sugar. Although sugar is a necessary ingredient that helps the fruit mixture reach its set point, you can add a bit more or less, and homemade jam almost always uses less than commercial preparations. Plus, homemade contains no other unwanted sweeteners like high fructose corn syrup.
  • Discover fun combinations. Strawberry or strawberry-blueberry? Peach-raspberry? Why not? Give them a try.
  • Adds another skill to your cooking repertoire: Learning how to make this easy jam is a gateway to making similar recipes like chutneys or savory jams. Bonus: they all enhance meals and are very cool homemade gifts.


First, mix cut-up fruit or small berries with sugar and let it sit. Next, add the lemon juice. Bring the whole thing to a boil, then stir and watch until it reaches a gel consistency. Finally, pour it into jars. Easy! I use cold plates to test for doneness. Remember, put them in the freezer before you begin cooking.

Cook on Stovetop

  1. After placing three small plates in the freezer for later testing, combine the fruit, sugar, and lemon juice in a non-reactive heavy-bottomed saucepan. If time permits, let the fruit and sugar mixture sit overnight before adding the lemon juice and cooking.
  2. Now, turn the heat to medium. As the fruit starts to cook, mash down the fruit with a potato masher or a fork to encourage the release of juices and help the fruit break down a little.
  3. When the sugar has totally dissolved, turn the heat up to high and cook until thickened, stirring frequently.
  4. After about 15-20 minutes, the mixture should look more like finished jam and be ready for testing.
4 image collage on how to make jam in one pot.

Test the Jam and Store

  1. After taking the pot off the burner and a frozen plate from the freezer, drop a small amount of jam onto the frozen plate. Let it cool a moment, then run a spoon or finger down the middle.
  2. If you can see a plain road through the jam, as shown, with clean edges that are not closing in on themselves, then it is ready. If it runs back together, cook for a few more minutes and test again.
  3. Finally, turn off the heat and pour into clean mason jars. Cool the mixture and then store it in the refrigerator.
3 image collage showing the consistency of jam and pouring into mason jar for storage.

TIPS FOR making homemade jam

  1. Allow the sugar and fruit to sit overnight. This will ensure that the fruit can be preserved, especially if making a chunky jam. Cover and keep in a cool place.
  2. Make sure to immediately funnel hot jam into jars if canning. It’s important to leave ¼” of space at the top and process according to the jar manufacturer’s instructions.
  3. Test early and often. Test early so you do not overcook. The mixture can become overly jelled, or the sugar could potentially caramelize.
  4. Double-check with another test: You can also use an instant-read or candy thermometer to check the jam’s temperature. It gels around the range of 217° – 220° – depending on the recipe. If you live at a high altitude, add 8 degrees above the boiling point of water in your area to find the gelling point. There is also the sheet test, where the finished jam should drip off a spoon onto a sheet, not in individual droplets.
  5. Use nice fruit, not too ripe. Fruit is the centerpiece of jam. A bland or sour-tasting batch of fruit will not yield yummy jam. Also, overripe fruit has lost a lot of its pectin (the natural chemical that helps it gel) and does not work as well as slightly underripe fruit.

recipes to make with jam

3 mason jars filled with homemade fruit jams in different flavors.

HOW TO STORE homemade jam

Store the homemade jam in a tightly lidded container in the refrigerator.


This homemade jam will last for at least 3 weeks in the refrigerator.


Yes, you can freeze jam, but if you are doing so, leave room (at least ¼ inch- ½ inch) for expansion at the top of your mason jars and make sure your jars are freezer safe, so they do not crack. Frozen jam is best used within six months.


What is a non-reactive pan, and why does it matter when making jam?

Reactive pans, where aluminum, cast iron, or copper comes into direct contact with food, can give foods a metallic taste and/or discolor them. Think black cast iron pans and saucepans made from 100 percent aluminum with no stainless steel lining. Stainless steel pans, aluminum pans lined in stainless steel, and cast iron coated in enamel (like Le Creuset or some Lodge dutch ovens are fine.)

Do I need to sterilize my jars and lids when making refrigerator jams?

You do not need to sterilize jars and lids when making refrigerator jams because the jars and lids are not being prepared for long-term, shelf-stable storage. Of course, they should be clean!

Can I use plastic containers to store refrigerator jams?

Yes, you can pour refrigerator jam into plastic containers, but because the jam is very hot when finished, let it cool to lukewarm before pouring it into plastic containers. Otherwise, the containers might melt or warp.

3 pieces of toast with butter and different flavored jams on each.

Homemade jam is a delicious way to use the season’s fresh berries and stone fruits, and you might be surprised at the fresh, fruity flavor that hits way better than store-bought.

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How to Make Jam

Ever wanted to make homemade jam? This recipe will show you how to make jam out of any fruit to enjoy for breakfast, as a snack, or even on desserts!
5 from 158 votes
Servings 16
Calories 46
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
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  • 1 pound fruit chopped (strawberries, apricots, blackberries, etc.) (about 5 cups).
  • ¾ cup granulated sugar
  • 3 tablespoons lemon juice


  • Place 3 small plates in the freezer to use later for testing the jam.
  • Combine the fruit, sugar and lemon juice in a non-reactive heavy bottomed saucepan over medium heat. Mash the fruit with a potato masher or large fork to help break it down.
  • Once the sugar has dissolved, turn the heat up to high and cook until thickened, stirring frequently, about 15-20 minutes.
  • To check for doneness, drop a small amount of jam onto a small frozen plate. Let cool for a moment, then run a spoon or finger through the jam. If you can draw a line with clean edges that don’t drip, then it is ready. If it runs back together, then cook for a few more minutes.
  • Turn off the heat and transfer the jam into 2 clean 8-ounce mason jars. Cool the mixture, then store in the refrigerator for up to 3 weeks.


Tip: Don’t skip the plate testing. To make sure your jam has the right consistency, you really don’t want to skip this step! 


Serving: 2 Tablespoons, Calories: 46kcal, Carbohydrates: 12g, Protein: 1g, Fat: 1g, Saturated Fat: 1g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 1g, Sodium: 1mg, Potassium: 46mg, Fiber: 1g, Sugar: 11g, Vitamin A: 4IU, Vitamin C: 18mg, Calcium: 5mg, Iron: 1mg

Nutrition information provided is an estimate. It will vary based on cooking method and specific ingredients used.

Cuisine American

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  1. Nick racho says:

    Thanks for the great recipe! Trying out blackberries fingers crossed

    1. Yumna says:

      I think it will be great!

  2. Savannah says:

    Can I use Frozen strawberries? This is what I have on hand and didnt see it mentioned in the article.

    1. Yumna says:

      Yes, frozen strawberries will work well, it will just take slightly longer to cook.

  3. Tasneem Basta says:


    1. Yumna Jawad says: