mixed fruit jam

[cecil39]

i have just turned out the freezer and found a small bag each of blackberries, cherries and rhubarb, if i cooked them alltogther would it make successful jam? would i have to add a lemon? advice please.

[Booldawg]

you usually have to add lemon (juice is just as good) as the pectin stops it being too runny.

[gingejbee]

Lemon affects the acidity - it does NOT increase pectin levels. You may have to add pectin (can be bought in a bottle) to prevent another disaster.

[gingejbee]

...if lemons were a source of pectin, commercial lemon marmalade wouldn't need it added for a satisfactory set.

[hornbygirl]

adding a few cooking apples would prob help,!) you also need a larger proportion of fruit to sugar for frozen fruit 10%

[starone]

I think rhubarb would supply the necessary acidity unless being in the freezer spoils it. You wouldn't need a lemon as well. I'd give it a go, you can always use the result as stewed fruit if it doesn't set.

[Booldawg]

hmmm a quick google suggests varying theories about lemons and pectin. TBH I was answering from my mums jam making experience as I've never made any.

Anyway, theres alot of good tips out there on jam setting;
http://www.tipking.co.uk/jam_setting.shtml

[B00]

Ooooo, id make a mixed fruit crumble instead.

[gingejbee]

As I said, if lemons were a source of pectin, manufacturers wouldn't need to add it (check lemon marmalade label).

[starone]

Me too BOO. Making my mouth water just thinking about it.

[cecil39]

thats an idea Boo, i think i will go for the crumble, and there will be enough to do one next week as well, thanks for your replies everone, will keep in mind an case i have the same thing happen again.