CERTO® Strawberry Jam - Kraft Recipes Top
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CERTO® Strawberry Jam

Prep Time
Total Time

8 jars, 1 cup each or 128 servings, 1 Tbsp. each

Turn summer's bounty into CERTO® Strawberry Jam in under an hour! Follow our CERTO® Strawberry Jam recipe to make tasty jam with just four ingredients.

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What You Need

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Make It

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  • Bring boiling-water canner, half-full with water, to simmer. Wash jars and screw bands in hot, soapy water; rinse with warm water. Pour boiling water over flat lids in saucepan off the heat. Let stand in hot water until ready to use. Drain well before filling.
  • Stem and crush strawberries thoroughly, one layer at a time. Measure exactly 4 cups crushed strawberries into 6- or 8-quart saucepot.
  • Add sugar; stir. Add butter to reduce foaming. Bring to full rolling boil (a boil that doesn't stop bubbling when stirred) on high heat, stirring constantly. Stir in pectin. Return to full rolling boil and boil exactly 1 minute, stirring constantly. Remove from heat. Skim off any foam with metal spoon.
  • Ladle immediately into prepared jars, filling to within 1/4 inch of tops. Wipe jar rims and threads. Cover with 2-piece lids. Screw bands tightly. Place jars on elevated rack in canner. Lower rack into canner. (Water must cover jars by 1 to 2 inches. Add boiling water, if necessary.) Cover; bring water to gentle boil. Process 10 minutes. Remove jars and place upright on towel to cool completely. After jars cool, check seals by pressing middle of lid with finger. (If lid springs back, lid is not sealed and refrigeration is necessary.)

Special Equipment Needed

How to Measure Sugar Precisely

To get exact level cup measures of sugar, spoon sugar into dry metal or plastic measuring cups, then level by scraping excess sugar from top of cup with straight-edged knife.

Altitude Chart

At altitudes above 1,000 feet, increase processing time as indicated: 1,001 to 3,000 feet-increase processing time by 5 minutes; 3,001 to 6,000 feet-increase processing time by 10 minutes; 6,001 to 8,000 feet-increase processing time by 15 minutes; 8,001 to 10,000 feet-increase processing time by 20 minutes.


If berries are extra ripe, use 3-3/4 cups prepared fruit and add 1/4 cup fresh lemon juice.


  • 8 jars, 1 cup each or 128 servings, 1 Tbsp. each

Nutritional Information

Serving Size 8 jars, 1 cup each or 128 servings, 1 Tbsp. each
Calories 45
Total fat 0g
Saturated fat 0g
Cholesterol 0mg
Sodium 0mg
Carbohydrate 12g
Dietary fiber 0g
Sugars 11g
Protein 0g
% Daily Value
Vitamin A 0 %DV
Vitamin C 10 %DV
Calcium 0 %DV
Iron 0 %DV

* Nutrition information is estimated based on the ingredients and cooking instructions as described in each recipe and is intended to be used for informational purposes only. Please note that nutrition details may vary based on methods of preparation, origin and freshness of ingredients used.

Ratings & Reviews

Rated 1 out of 5 by from Insert was changed and strawberry jam recipe is wrong The new insert has caused me to waste time and money, including strawberries, sugar, and extra lids. I tried to remake he jam according to instructions and it still did not set. This is unacceptable. The insert also does not have the recipe for strawberry rhubarb jam. Sometimes change for the sake of change is a waste of everyone's time. There was nothing wrong with the former insert. Kraft wasted our time and their own time by changing the recipes. I would like to be reimbursed for this year's jam which failed. No one I know wants strawberry glaze when they are expecting good homemade jam. I usually make four or five batches of strawberry jam for gift giving.
Date published: 2016-07-04
Rated 1 out of 5 by from recipe is wrong! Why does the insert now call for 5 cups of berries instead of 4? I assumed you had made some change to the CERTO but no - I made 3 batches of jam and none of them set. So, if your instructions are error filled (which is what it appears to be) then you need to alert people and fix the problem!!! Question: how can I start over and get the jam to set? People are talking about "re-doing" the jam and the cost for new lids and more Certo. But do you just measure 4 cups of berries + 7 cups of sugar = 11 cups of unjelled jam and start the whole cooking process over? Add more Certo and re-can? Very disappointed with Certo and Kraft.
Date published: 2017-07-10
Rated 1 out of 5 by from Insert directions for Strawberry Jam are WRONG! Last year I wrote ( via the mailed) to Certo and sent copies of their old insert and their new one highlighting the error with the amount of strawberries 5 cups (new insert) vs the 4 cups crushed (old insert). They said they would pass the info along. This year I bought another box of liquid Certo only to find they still say use 5 cups of crushed strawberries. DON'T, your jam will not set. My question to Certo is why does the recipe on-line say 4 cups crushed strawberries and the insert says 5 cups?? Where is your quality control and who proof reads your inserts. I am making strawberry jam today and will continue to follow your old insert which says to use 4 cups of crushed strawberries.
Date published: 2017-06-25
Rated 1 out of 5 by from Recipe in Certo box is wrong! I've been making this for years and I noticed the recipe in the box called for 5 cups of crushed strawberries this year instead of 4 cups. I made 2 batches with the new recipe thinking maybe they changed the amount of Certo in the pouch as well. Checked both of my batches this morning and they both did not set! Now I have to redo these batches. What a waste of time and money as I have to go and buy extra lids and Certo to do over!
Date published: 2016-06-29
Rated 1 out of 5 by from Jam that did not Jam I have been making strawberry jam using the recipe inside the box of certo for about 25 or 30 years? And last year for the first time my jam did not set and I could not figure out why. I made it again this year making sure I didn't have an expired box of Certo and once again the jam did not jam. Now that I read these reviews and I have seen my Facebook memories pop up saying I used 4 cups of crushed strawberries in previois years, why did you change the recipe to 5? It does not work!!! the insert in the Certo box is wrong for the strawberry recipe and I have gotten two years worth of bad Jam
Date published: 2017-07-09
Rated 1 out of 5 by from Why did they change the recipe??? I have been making Certo jam for 25 years. I noticed the recipe changed. I have made 5 batches and they have not set. Why did they change the recipe??? This year's boxes call for 5 cups strawberries. The previous recipe was 4 cups. The directions emphasis "exact" measurements. Looks like Kraft can "eat" their own words. COMPLETE waste of my time and resources.
Date published: 2016-07-09
Rated 1 out of 5 by from 4 or 5 cups? The recipe that comes in the Certo box calls for 5 cups of crushed berries. All other ingredients the same. Used to be 4 cups. Followed the 5 cup recipe and the jam did not set.
Date published: 2016-06-26
Rated 4 out of 5 by from Never jells Every summer we make peach, blueberry and strawberry preserves using liquid Certo. We never have problems with the peach and blueberry. They set nice and firm. However I have never been able to get the strawberry to set. I use the 4 fruit to 7 sugar recipe. It always comes out runny. This last time I used 2 pouches of Certo. After a week the jam set enough to not be runny but is not firm. The only way I can get the jam to a firm set is to dump it all back in the pot and boil it down to reduce the volume by an inch. I might as well not use the Certo at all. What is the problem with making strawberry jam?
Date published: 2018-06-05
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