
Capture summer's sweetness in this easy, three-ingredient strawberry jam recipe without commercial pectin.
Prep
15 min
Cook
25 min
Total
40 min
Servings
2
Difficulty
Easy

Instructions
Prepare strawberries
Wash, hull, and halve the strawberries. Mash them slightly with a fork or potato masher for a chunkier texture.
Combine ingredients
In a medium saucepan, combine the mashed strawberries, sugar, and lemon juice. Stir well to combine.
Cook the jam
Place the saucepan over medium heat and bring to a boil, stirring frequently. Continue to cook until the mixture thickens and reaches 220°F (105°C) on a candy thermometer, about 20-25 minutes.
Pro tip: Stir constantly to prevent the jam from sticking to the bottom and burning.
Test for set
To test the jam's set, place a small spoonful on a chilled plate. Return it to the freezer for 1 minute, then push the edge with your finger. If it wrinkles, the jam is ready.
Pro tip: If the jam doesn't wrinkle, continue cooking for another 2-3 minutes and test again.
Sterilise the jars
While the jam is cooking, sterilise jars by boiling them in water for 10 minutes. Keep them hot until ready to fill.
Pro tip: Sterilising jars ensures the longevity and safety of your jam.
Fill the jars
Ladle the hot jam into the prepared jars, leaving 1/4 inch (0.5 cm) headspace. Wipe the rims clean and seal with lids.
Process the jars
For shelf-stable jam, process the sealed jars in a boiling water bath for 10 minutes. For refrigerator jam, let cool completely and store in the fridge.
Tips & Tricks
- Mash strawberries with a fork for a chunkier texture.
- Use a candy thermometer to ensure the jam reaches 220°F (105°C).
- Chill a small plate in the freezer for the cold-plate test.
- To sterilise jars, boil them for 10 minutes before use.
Frequently Asked Questions
How do you make strawberry jam without pectin?
Use fresh strawberries, sugar, and lemon juice. Cook until it thickens and reaches 220°F (105°C). Test set with a cold plate.
What is the water-bath processing time for strawberry jam?
Process sealed jars in a boiling water bath for 10 minutes to ensure shelf stability.
What temperature should jam reach to set?
Jam should reach 220°F (105°C) to achieve the proper set.
How can I tell if my jam is set without a thermometer?
Use the cold-plate test: place a spoonful on a chilled plate, freeze briefly, and check for wrinkles.
How long does homemade strawberry jam last?
Properly processed jars last up to a year on the shelf. Refrigerated jam keeps for about three weeks.
Serving Suggestions
Nutrition per serving
290
Calories
1g
Protein
0g
Fat
75g
Carbs
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