Freezer Strawberry Jam

June 1, 2021

Freezer Strawberry Jam

My husband’s Grandmother Carr used to make Strawberry Jam – and he would spread it over her toasted homemade bread. He loved it! It was a quite a treat! I have tried several times over the past years to duplicate her strawberry freezer jam, but usually ended up with strawberry syrup instead. This year I was determined to get it right. I experimented with regular Sure-Jell pectin (yellow box), the low sugar Sure-Jell (pink box) and Certo liquid pectin. I liked the jam made with the regular pectin the best. Here are the steps I used.

Start by washing the strawberries and remove the hulls. I use a small melon baller.
Use a potato masher or the food processor to mash or cut the fruit in small pieces. I like chunks of fruit, but want them small enough that the jam is spreadable.
I pulse the strawberries just 3-4 times.
You will need strawberries, sugar, lemon juice and pectin.
Bring 4 cups of strawberries and 2 tablespoons bottled lemon juice to a boil.
Add 4 cups sugar, return to a boil, then finally, add 1 package pectin and boil the mixture hard for 1 minute. Time carefully, boiling for too short or too long a time will result in the jam not setting.
Check the set. Remove the pan from the heat, remove about 1 teaspoon of the jam mixture and put it in a small dish. Leave it alone while you prepare the jars. Then check to see if the jam in the dish is set. This is an important step!
To make jam look pretty, skim off any foam that is on top.
Prepare jars by washing in hot water and dish detergent. Rinse and allow to dry.
Pour very warm water, but not boiling, for a few minutes to clean the lids and to soften the gummed surface on outside ring.
If the jam in the small dish is set, stir the strawberry jam and then use a funnel and fill the jars, leaving 1/2 inch at the top. If the jam is not set, then just reboil it and add a little more lemon juice and a little more pectin. To get the right consistency with my jam, I added an additional 3/4 tablespoon of lemon juice and 3 tablespoons of pectin and then boiled mixture again for 1 minute.
Cover with lids. Let stand at room temperature for 24 hours, or until set.
If using as gifts, you can add a label. You can add a bit of raffia or ribbon later. Refrigerate up to 3 weeks or freeze up to one year.
If using the pink box, Sure-Jell, use 2 cups of sugar per cups of fruit and follow directions above. Heat the fruit first, with the lemon juice, then the sugar, then the pectin at the end.
I used the directions inside the Certo box to make freezer jam, but reduced fruit to 1 3/4 cup. The jam set, but because it wasn’t cooked, the jam was grainy. I would not recommend using this method.
Sample A is the regular Sure-Jell using 4 cups of sugar, it has soft consistency. Sample B is the jam made with the pink box Sure-Jell, using 2 cups of sugar. It sets up easily, and gives you a consistency much like store-bought jam. Sample C was jam made from the liquid pectin . It set up and has a bright red color, but it has a grainy texture.
The regular Sure-Jell produced the best jam, in my opinion – the jam was set, but easy to spread and tasted just like Grandmother Carr’s.
Have fun making your own freezer jam! There are so many jars to choose from now!
Enjoy!

Resources used: University of Wisconsin Extension Specialist, Christina Ward’s article from Milwaukee Journal Sentinel and Sure-Jell Directions.

http://archive.jsonline.com/features/food/jam-expert-gives-advice-after-sure-jell-directions-mix-up-b99301652z1-265379841.html
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Freezer Strawberry Jam

If you have had trouble getting your strawberry jam to set, try this recipe!
Prep Time40 minutes
Cook Time20 minutes
Course: Breakfast
Cuisine: American
Keyword: Jam, Strawberry
Servings: 6 8 oz jars

Ingredients

Jam with Original Sure-Jell

  • 4 cups mashed or cut up strawberries
  • 2 tablespoons bottled lemon juice
  • 4 cups sugar
  • 1/3 cup pectin (Original Sure-Jell, yellow box)

Instructions

  • Wash and remove strawberry stems.
  • Mash strawberries with potato masher or use food processor to cut up strawberries, depending on the texture you want. Just pulse 3-4 times to avoid getting the berries too small.
  • Place 4 cups of strawberries in a large pot, add 2 tablespoons lemon juice. Bring to a boil. Add the 4 cups of sugar (measure carefully) and then return to a boil. Finally, add the pectin and boil the mixture hard for 1 minute. Time carefully – too little or too much time will result in the jam not setting.
  • Check the set of the jam. After finishing the final boil, remove the pot from the heat, remove a teaspoon or so of the jam mixture and put it in a small dish. Leave it alone for a few minutes while you get your jars ready. When you return, the jam in the dish will be set or not. If the jam is not set, just reboil it and add a little more lemon juice and pectin. My batch was too soft, so I added 3/4 tablespoon of bottled lemon juice and 3 tablespoons pectin and brought mixture to a boil – then checked the set again.
  • To keep your jam clear and pretty, remove the foam that is on top.
  • Clean and dry jars, Pour hot water, not boiling, over lids and let set.
  • Stir jam and using a funnel, fill jars, leaving a 1/2 headspace.
  • Wipe off top edges of jars; immediately cover with lids.
  • Let stand at room temperature for 24 hours, or until set. Store in refrigerator up to 3 weeks or freeze up to 1 year. If frozen, thaw in refrigerator before using.
  • If using the Sure-Jell's low-sugar pectin (pink box), use 4 cups of fruit, 2 tablespoons lemon juice, 2 cups of sugar and 1 box of pectin. Same technique – boil strawberries first,with the lemon juice, add sugar boil again, then add the pectin and boil for one minute. Test. Fill jars. Wipe off top, cover with lids. Let stand at room temperature for 24 hours, or until set. Store in refrigerator up to 3 weeks or freeze up to 1 year. If frozen, thaw in refrigerator before using.
  • If using Certo (liquid pectin): Put 1 3/4 cup crushed or cut up strawberries in a large bowl. Stir in 4 cups of sugar. Let stand 10 minutes, stirring occasionally. Mix 1 container of Certo with 2 tablespoons bottled lemon juice in a small bowl. Add to strawberry mixture and stir 3-4 minutes until sugar is dissolved. Fill jars and let set for 24 hours. Refrigerate up to 3 weeks or freeze up to 1 year. I would not recommend this method, jam is too grainy for me.

Notes

The original Sure-Jell jam recipe will work for most fruits – 4 cups fruit, 2 tablespoons bottled lemon juice, 4 cups of sugar and 1/3 cup or 1 box pectin.  Follow directions above.

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