Making Berry Jam

It has become a tradition for my friend Stephanie and I to make jam during the height of summer heat. This year, we made three kinds: blackberry, raspberry, and strawberry. We also made a mixed berry syrup from the leftovers of each batch. We just followed the recipe inside the pectin box for canning cooked jam. The recipe I am listing is for raspberry jam but all three are practically the same.


We went and purchased the berries at the local farmer's market early that morning. We got a half flat of each kind, so 6 pints. This left us extra for the syrup or for snacking. We made each batch separately and the whole process took an afternoon. The guys barbecued while Stephanie and I were canning and it became an impromptu family party. And the best part is that we have enough jam to last us until next summer.


  • 24 pint glass canning jars, with lids and rings (checking on this amount)
  • large and medium bowl
  • potato masher
  • water bath canner with rack (or large sauce pan)
  • canning funnel
  • canning jar lifter (or tongs)


  • 4 pints of ripe berries (5 cups, crushed)*
  • 7 cups of sugar
  • 1 package of pectin (Sure-Jell)

*We washed all the berries (6 pints) that we had and put them into a large bowl. Using a potato masher, we crushed them into a juicy pulp. We then measured them out as needed. At the end, we had leftover berries that we were able to make into the mixed berry syrup.



Making jam is time intensive and requires almost constant stirring. Be sure to have the time and help so that your canning is a success. Have your jars sterilized (running the dishwasher on hot with no soap works well) and ready to go. You will also want to have your jar lids sanitized in boiling water, we used a small sauce pan.

Start your water bath so it is ready when the jam is.

Measure your crushed raspberries into a large saucepan or stock pot. Tall sides will help prevent splattering (but don't wear anything you mind getting splashed).

Add in a packet of pectin (refer to your brand's own instructions if in doubt). If you wish to reduce the foam, add a little pat of butter (1/2 tsp.) to the mixture. The foam won't hurt you but it isn't as pretty. You can also skim it off before canning.


Heat the mixture to a full boil, stirring constantly. It is very easy to allow it to burn on the bottom, which will flavor the whole batch. If you do burn it accidentally, you can often save it by switching out to a new pan without scraping the bottom.

Premeasure your sugar into a separate bowl before adding to the saucepan. If you are in doubt, remeasure. It is easy to lose count and the wrong amount of sugar can ruin your jam. Better safe than sorry.

Add your sugar to the berry mixture. Return the mixture to a boil for one minute then remove from heat.

Using your canning funnel, ladle the mixture in the jars. Be careful, the mixture is very hot and sticky and can cause a bad burn. You want to leave a little room for headspace, so don't fill it right up to the top. When it is full, use a clean towel to remove any jam from the top of the jar (where it might touch the lid or ring). Place the lid on top and then tighten ring on each one.


Place in your water bath so that the jars are completely submerged. A rack is very useful for this, but the small jars will sometimes fall through.

Boil jars for 15 minutes then remove from water bath. The jars will be very hot, so be sure to use both your canning tongs and a potholder. Set aside to cool; we placed them on a clean kitchen towel.

As the jars cool, you will hear them "pop" occasionally. This is the the jar lid sealing to the glass. When they are cool enough, tighten the rings and push the center of each lid to make sure it is sealed. If you can push it, it is not sealed. You can try to re-can it in a water bath or you can just place this jar in the fridge to use first.

Be sure to label your jars with the date and type of jam. You can print pretty labels on the computer, use the ones that come with the canning jars and lids or just use a Sharpie on the top. The jam will still taste delicious.


By Jess

Homemade raspberry jam being spread on a piece of bread

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July 16, 20171 found this helpful

Here are few things that I do differently....I put the jars on a cookie sheet & place them in a 250 degree oven prior to getting my jam started. When starting to get ingredients together I add 1/4 cup of lemon juice to the pot (to keep the colour bright in the jam) as well as I add one tablespoon of butter or margarine (I use Becel) to the pot prior to bringing the jam to a boil, this not only prevents the jam from boiling over, it will not be necessary to skim the jam prior to bottling.

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July 16, 20170 found this helpful

PS So far this season, I have bottled 46 jars of Strawberry jam & 23 jars of Black Cherry jam.....

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July 15, 20180 found this helpful

Does the lemon juice change how much sugar you use?

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July 28, 20190 found this helpful

Sounds delicious! I never retighten the lids after the water bath. It some times smears the rubber seal and it will not seal right.


Ive been making jams and jellys for over 50 yrs. some arent perfect but they are always eaten at my house!

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