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Making your own strawberry jam is a rewarding way to preserve the sweet flavors of summer. Canning ensures your jam stays fresh for months, allowing you to enjoy it year-round. This step-by-step guide will walk you through the process of creating delicious homemade strawberry jam.
Gather Your Supplies
- Fresh strawberries
- Sugar
- Lemon juice
- Jam jars with lids
- Large pot or canning kettle
- Jar lifter and canning funnel
- Water bath canner (optional but recommended)
Prepare the Strawberries
Start by washing the strawberries thoroughly. Remove the stems and cut the strawberries into small pieces. For a smoother jam, you can mash the strawberries with a potato masher or use a food processor.
Cook the Jam
In a large pot, combine the prepared strawberries with sugar and lemon juice. Bring the mixture to a boil over medium heat, stirring constantly. As it boils, the mixture will thicken. Continue boiling for about 10-15 minutes until the jam reaches the desired consistency. You can test this by placing a small spoonful on a cold plate; if it gels, it’s ready.
Prepare the Jars
While the jam is cooking, sterilize your jars and lids by boiling them in water for 10 minutes. Remove with jar lifters and let them air dry on a clean towel.
Fill and Seal the Jars
Pour the hot jam into the sterilized jars using a canning funnel, leaving about 1/4 inch headspace. Wipe the rims with a clean cloth to remove any residue. Seal the jars with lids and screw on the metal bands.
Process the Jars
Place the filled jars into a water bath canner, ensuring they are fully submerged. Bring the water to a boil and process for 10 minutes. This step sterilizes the jars and creates a vacuum seal as they cool.
Cool and Store
Remove the jars from the water and let them cool completely on a towel or rack. You should hear a popping sound as the lids seal. Check the seals before storing; the lids should be concave and not move when pressed. Store your homemade strawberry jam in a cool, dark place for up to a year.