Ruby Red Raspberry Jam

By • July 2, 2011 • 12 Comments

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Author Notes: I started making jams when I was very young, using fruit from our farm. I started with recipes from my mother. I would cook the jam for hours, holding the spoon on one hand and a huge sugar thermometer on the other. By the time I had peach, raspberry, blackberry, fig and all the rest done (2 weeks later and sugar burns all over my arms and hands), we opened a jar of each to try them.
As I was young, inexperienced in all things about food and had an ego to care for, I thought they were good. Above all, I accepted the round of applause from my family. But the truth is, all the jams tasted the same – caramel. This was due to the long boiling process that killed all the flavour of the fruit and caramelised the sugars.
As I matured, I started to read and learn from French Chefs. I was, and still am, never satisfied. I was only 17 when I first bought a serious cookery book for myself. Its author is renowned Chef Lenôtre.
Reading his recipes and explanations, my jam making method changed completely and the taste changed dramatically. Over the years, i read other recipes that I tried and tweaked to suit my taste. I think I now have a master recipe for jams with a full flavour of the fruit.
Still, I had an issue with mould in some of the jams. It was at that time that I found store purchased Pectin in Paris. I would lug packets by the dozen with me for my jams.
Today I make jams maybe every 15 days, in small quantity, using both fresh and frozen fruit. Again here, I took advice of Mâitre Lenôtre - Jam can ONLY be made in small quantity, meaning no more then 3.3 pounds (1.5 kgs) of fruit at a time. The jam won't "set" because prolonged exposure to heat diminishes the thickening properties of pectin.
One last issue – Sterilizing or not sterilizing?! I take Mâitre Lenôtre’s advice and turn the jam pots upside down to sterilize the air in the pot. And, I must say, that I have pot’s of peach and blackberry jam (fruits that have no pectin in them and mould very easily) that date back to 2007, absolutely pristine. But I understand the need for sterilizing, if someone wants to be absolutely reassured that their jam has no mould at all. Your call.
This recipe for raspberry jam is the base to all my jams – it’s the result of almost 40 years of jam making. I only make some minor sugar adjustments to jams with very sweet fruits like fig and melon.
Good jamming.
PS. If you want some ideas for labels for offering your jams, check the links I left at the bottom of the page.
Maria Teresa Jorge

Serves a few jars

  • 3.3 pounds prepared Raspberries
  • 1.7 pounds sugar
  • 1/4 cup medium lemon – juice (1 medium lemon)
  • "No Sugar Needed" Pectin
  1. What to do ahead: Sterilize jars and lids. Prepare some old newspaper to put under your jars when filing them. Read the instructions of the Pectin and check you have enough for your jam.
  2. Weigh the sugar. Put half the sugar in a non-reactive pot.
  3. Rinse the raspberries very quickly and put on kitchen paper towel to drain for 1 minute. Add the raspberries to the pot and cover with the remaining sugar. Stir to coat the raspberries with sugar and cover with a clean cloth. Let stand at room temperature for 8 hours, stirring occasionally, so the sugar dissolves completely before cooking. You will have a lot of syrup, unlike the mix fruit + sugar and cook method.
  4. For no-seed jam: Pass the raspberries through a food mill fitted with a fine screen and weigh the raspberries after deseeded.
  5. Bring the raspberries and sugar to a low simmer and cook for 15minutes, stirring constantly to prevent burning. During this boiling stage, skim off the foam, using a big spoon.
  6. Check the directions of your No-Sugar Needed Pectin Packet and measure the pectin needed for the weight of raspberries. To this quantity add 25% more of Pectin (see Note 3) and dissolve all of this pectin in the lemon juice.
  7. Add the lemon juice / pectin to the pan and allow the berry-pectin mix to boil on medium heat for 1 minute.
  8. Fill sterilized jars immediately (it’s really important that the jam is still very hot) to 1/4 inch of tops, wipe clean the rims and close immediately with a sterilized tight fitting lid. Turn the jars up-side down for 20 minutes. Turn them back over and allow to cool.
  9. Clean jars, label them at least with the date and store in cool dark place.
  10. Note 1: Always make only one batch at a time. If you double or triple the recipe’s contents you often end up with a softer jam.
  11. Note 2: If you want, sterilize the jam in the jars. Place the filled jars in a water bath. Boil for 10 minutes after the water has returned to a boil. Remove the jars to cool on a cooling rack.
  12. Note 3: Pectin – About Pectin: I did some research on brands sold in the US. The one that is most similar to the one I use nowadays is Sure-Jell "No Sugar Needed" Pectin. Because I cut down on sugar, I prefer to add 25% more of pectin to the jam and be sure that it sets, rather than having a runnier jam and having to “remake” the jam.
  13. If you care to make some jam as a food gift, check these 2 labels from http://www.creaturecomfortsblog.com/, they are absolutely adorable: http://www.creaturecomfortsblog.com/home/2010/8/25/homemade-caramel-fudge-sauces-plus-free-printable-tags.html http://www.creaturecomfortsblog.com/home/2011/6/15/free-printable-summer-fruit-labels-gift-tags.html
Jump to Comments (12)

Tags: jam, raspberries, sweet

Comments (12) Questions (0)

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about 1 year ago Lorraine

OK, I made one little change which we really enjoyed. I added a bit of Grand Marnier. We loved it last year, and will do it again this. Couldn’t get enough of your beautiful jam!!

Stringio

over 1 year ago Pam Harper Larsen

Time to make jam from our garden!

Bike2

over 3 years ago Sagegreen

Thanks for the label links and this great recipe!

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over 3 years ago Maria Teresa Jorge

Most welcome!

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over 3 years ago dmeconis

I just made a batch of jam from this recipe with raspberries picked fresh yesterday morning. It came out beautifully - definitely the most flavorful (and colorful!) raspberry jam I've had.

The only technical note I would add is to help people decipher the berry/pectin ratio when you have purchased your berries by weight (lbs/kg) instead of volume (pints/L). The Sure-Jell package only lists berry quantities in pints.

A couple sources online suggested this equivalency for fresh raspberries:

1 pint raspberries = about 3/4 lb (1/3 kg)

In practice, we found that one complete packet of Sure-Jell pectin was just about the right amount to use for 3.3 lbs of berries using the "recommended on the box + 25%" ratio. It turned into a solid sludge when mixed with the lemon juice at first, but it dissolved well during the short boil, and the jam came out at a great consistency for spreading.

Thanks for a great recipe! This one's a keeper.

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over 3 years ago Maria Teresa Jorge

Hi dmeconis, thank you for your comment. I am really glad that the jam came out well.
I have a serious issue with volumes. I live in Europe and we only work in weight which is extremely precise. I always do a lot of research for each recipe for food52 to gather the most information I can. For the pectin I read a lot of articles including US pectin manufacturer's ratios. This recipe calls for 3.3 pounds, a very awkward number but in reality it's the conversion from 1.5 kgs. This is because I have to turn all my grams to pounds and ounces. I use 40 grams (1.4 oz.) of pectin for 1.5 kgs (3.3 pounds) of fruit, which already contais the extra 25%. But as pectin manufacturers may vary the concentration of pectin in packages, I ommited the weight of the pectin. Now, having pints in the equation makes it even more difficult for me. I would therefore weigh the raspberries before making the jam because when you put whole fruit in a cup there will be a lot of empty space. Many thanks for helping out clearing the issues for a US recipe.

Port2

over 3 years ago nogaga

Beautiful!

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over 3 years ago Maria Teresa Jorge

Thank you.

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over 3 years ago aargersi

Abbie is a trusted source on General Cooking.

Nice! LOVE making jam, and thanks for label link too ... and you look about 28 in your photo so I don't know how you have been making jam for 40 years :-)

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over 3 years ago Maria Teresa Jorge

Yeh! 52 going on to 53! But 28 inside my soul.

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over 3 years ago lapadia

Thanks for sharing your delicious recipe, Maria! Classy photo, too...

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over 3 years ago Maria Teresa Jorge

Thanks for comment.