Mark and I made jam last night....24 Jars of it! What a wonderful thing it looks on the bench, one for every fortnight of the year. Glorious, fragrant, thick, soft and sweet, on scones, toast and more.
(We made 5.5kg of fruit)
Weigh the fruit, and for each kg use 1c water. Weigh out an equal weight of sugar.
Stone the fruit first, just by splitting them in half and picking out the stone. There is no need to chop the fruit up, it mashes down somehow during cooking.
Meanwhile wash your jars, and put into the oven at 100C to steralise.
Don't worry about the froth, we will take care of that shortly. Test for "setting point". After about 10 mins, put a small spoonful onto a plate. Pop into the fridge and let the piece of jam cool. Then push it with your finger, if the top of the puddle wrinkles where you push it, you are ready! If you were worried about not being able to get it to set easily, you can buy Jam Setting stuff which is Citric Acid and Pectin, but you can also add the juice of a lemon or two to the same effect. Generally Apricot jam is pretty easy to do without added extras, but no worries if you want to err on the safe side.
Once you have reached setting point, skim off the froth, and stir in a teaspoon sized piece of butter afterwards to remove any remaining scum.
Pop the hot jars onto a cloth or board (so they don't crack with meeting a cold object) and ladle in the jam up to about 1/2cm from the top. I use cellophane covers, which you wet then secure over the jar. As the jam cools it creates a vacuum, to prevent any mould forming.
Label your jars then admire, then eat!