Raspberry and Blueberry jam

At the weekend we made another trip to the pick-your-own farm to stock up on raspberries for some more jam making, having had great fun making strawberry jam after our previous trip there. Unfortunately they don’t grow blueberries, which I needed for the raspberry and blueberry jam (or Queen jam as it’s known in Sweden) so we had to pick them up from our local supermarket.

Berries for jam

The jam took longer to set this time around, so I added lemon juice to help with the setting process, and that seems to do the trick.

Jam boiling

Raspberry and Blueberry Jam (Queen Jam)
Ingredients

500g raspberries
500g blueberries
1kg jam sugar
juice of 1 lemon
knob of butter

Blueberry Jam

Raspberry Jam
Ingredients
1kg raspberries
1kg jam sugar
juice of 1 lemon
knob of butter

Raspberry Jam

Method
1) Put 3 saucers in the freezer
2) Wash the jam jars in hot soapy water, rinse with hot water then place in a low oven (about 100C) to dry and sterilise.
3) Crush the berries with a potato masher and place them in a saucepan
4) Add the sugar and lemon juice and heat gently over a low heat until the sugar has fully dissolved
5) Add a knob of butter, stir until melted and disolved
6) Increase the heat and bring the jam to a rolling boil that bubbles vigorously, rises in the pan and can not be stirred down
7) Start timing and boil for 4 minutes or until temperature reaches 104C on a jam thermometer. Keep stirring the whole time to stop the jam sticking to the bottom.
8) Remove from heat. Take one of the saucers out of the freezer, pour some jam onto it and leave to cool, or put back into the freezer for 1 minute
9) Gently run your finger through the jam – if the surface wrinkles it is ready. If not, return to the boil for 2 minutes, then re-test. Ensure you keep stirring the jam if bringing it back to the boil to prevent it from burning (Go on, ask me how I know that!!)
10) Once the jam is ready, take a jam jar out of the oven at the time and pour the jam into the jar using a ladle and jam funnel, or using a jug (if you like me don’t have a jam funnel)
11) Place a wax disc on top of the jam, making sure it covers the whole surface.
12) Cover the jar with the jar lid or with Cellophane and a rubber band (which usually comes with the wax discs)

Raspberry and Blueberry Jam

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