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Janine Birch-Horn
By Janine Birch-Horn

Strawberry Jam

Janine's Jam recipe, adapted from many others. To achieve the best results use Jam sugar (not preserving sugar) as strawberries are low in pectin.
Updated at: Thu, 17 Aug 2023 03:50:16 GMT

Nutrition balance score

Unbalanced
Glycemic Index
66
Moderate
Glycemic Load
71
High

Nutrition per serving

Calories420 kcal (21%)
Total Fat0.3 g (0%)
Carbs108 g (42%)
Sugars104.8 g (116%)
Protein0.7 g (1%)
Sodium2 mg (0%)
Fiber2 g (7%)
% Daily Values based on a 2,000 calorie diet

Instructions

Step 1
Clean and hull the strawberries. Cut them in half or quarters for very large ones.
Step 2
Prepare the jars by sterilising them in the oven. Place them on a baking tray and heat in the oven from cold on 110*C for 30 minutes.
Step 3
Put a small plate on the freezer, ready for testing the jam later.
Step 4
Place the strawberries and lemon juice (3tbsp of bottled lemon juice if you don't have fresh) in a large preserving pan and warm through for a couple of minutes.
Step 5
Add the sugar and continue warming through on a low heat unti the sugar is sompletely dissolved and the syrup is clear. Stir occasionally.
Step 6
Add a knob of butter and keep stirring whilst increasing the heat and bringing it to a rolling boil (bubble vigourously, rises in the pan and can;t be stirred down).
Step 7
Boil for 6 minutes or untill the temperature reaches 105*C.
Step 8
Take the plate from the freezer and place a small spoonful of the jam on the plate. After a few seconds push your finger through it and if it wrinkles snad has started to set, the jam is ready.
Step 9
Ladle into the warm jars, place a wax disk on the top and seal the lids whilst hot.