January 28th, 2010
Strawberry jam is one of the few jams that you can make to a formula! I love growing strawberries, they make a tasty treat to nibble while you are watering! But if you have enough, just 500g will do, you can make some jam to satisfy that need to get ready for the winter ahead! Here is my recipe:
2 tbsp water
2 cups of sugar
3/4 teaspn tartaric acid
Slice the strawberries into a large pot, removing the green tops and stems, and any bad bits. Add the water to stop the berries sticking when you start to heat them, and bring them to the boil, mashing them with a potato masher if they are still in pieces. Make sure you have washed enough jars – 3 should do it but do 4-5 just in case and when they are very clean pop them into the oven – the oven can be cold when you put them in but turn it on to 100C. The jars need to have been in for at least 10 minutes at 100C when you put the jam in.
When the berries feel soft, add the sugar and stir over a moderate heat until the mixture starts to boil. Boil quite fast for 3 minutes exactly, then sprinkle in the tartaric acid. Watch the way the colour suddenly brightens, it is quite magic! Now, boil briskly for 4 minutes longer, then pour into those clean jars you prepared earlier.
Seal jars while jam is still hot, and you are done!