Comida Kraft
Recipe Box

CERTO® Strawberry Jam

CERTO® Strawberry Jam is rated 3.5294117647058822 out of 5 by 17.
Prep Time
Total Time

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

Turn summer's bounty into the most delicious strawberry jam ever—the one you'll make with this simple, step-by-step recipe.

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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.)

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 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 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 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 Disaster Warning I have been using the Certo box inset recipe for years - No Problem. i did a double take when they raised the amount to 5 cups. DO NOT USE 5 CUPS. I did and the jam did not set. You can save your batch by following the "didn't set instructions" and recanning if you have this experience. Use 4 Cups.
Date published: 2016-07-07
Rated 4 out of 5 by from I am giving this recipe a "Very Good" rating and not superb. I am giving this recipe a "Very Good" rating and not superb. It is delicious and with a few minor revisions it is in fact SUPERB. First 7 cups of sugar is simply too sweet. I reduced the recipe to 5 cups. I used very ripe sweet strawberries so the excessive sugar was not needed. I also added finely grated orange zest from one orange, and the juice of half a medium sized lemon. The zest adds a depth of flavor and the acidity in the lemon works as a natural flavor enhancer. The recipe yielded (6) 8 oz Kerr jars.
Date published: 2013-03-27
Rated 5 out of 5 by from This is the only strawberry recipe you'll ever need..who could ask for more flavor, a better set, a... This is the only strawberry recipe you'll ever need..who could ask for more flavor, a better set, a prettier color ( if you're so inclined you CAN add a drop or two of red food coloring into the mixture), and more raves? The seeds are so small (unlike blackberry seeds) that all you do is crush the berries. I used fresh berries for one batch and frozen for another..can't tell the difference in taste..only in availability!
Date published: 2006-09-07
Rated 5 out of 5 by from I started making this jam when I was in my teens (with my grandmother's help of course! I started making this jam when I was in my teens (with my grandmother's help of course!) and I still make it every summer. Friends and family always request it, in fact my best friend just asked me to make her an entire batch for her birthday. It is so much better than store bought and definitley worth the time and effort to make, especially when strawberries are at their cheapest around the beginning of July.
Date published: 2010-07-09
  • 2016-10-25T10:57CST
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