Runny strawberry jam

Did you add pectin? Maybe re-boil, adding more pectin.

No, I didn't - I did add some quince paste I made last December (which was too jammy) and I'm thinking about boiling it up again with a chopped up apple and the juice of another lemon? I haven't got any pectin.

Strawberries are notorious for not setting, they don't have a lot of pectin, and they also need lemon juice. Next time, combine the strawberries with another fruit like plums that set well. You get the flavour of the strawberries and the setting power of the other fruit.

Or use your runny jam as a sauce over vanilla ice cream, and tell everyone it was intentional.

If you get some lemon or orange pips and boil them up they are stuffed with pectin. SO maybe - store jam, covered in fridge preferably, eat lots of oranges or lemons or grapefruit, store pips. Then give them a good boil, notice that lots of goopy stuff comes out, strain, used goopy pectin loaded liquid and throw pips away and then re do jam. Bit of a faff it's true and a packet of pectin would be a damn sight easier. I found out about the pips while experimenting with marmalade.
Apple pips and woody bits probably work as well.
Early for strawberry jam? - oh , no its not, the weather is creating an illusion that it is still April.

Trisha, your own suggested remedy of boiling it up again with apple and lemon juice, sounds fine.

But why not eat it over icecream, or over a nice stodgy sponge pudding?

Or stir it through greek yoghurt - makes a yummy breakfast.

or stirred into porridge

Well I've done it JO4 and will post an update tomorrow to see if it's worked!

Yessssss! It worked! Thanks all for your suggestions! Now I've got my own to pass on!

Mention of runny jam reminds me of the only time I tried to make lemon curd, when my girls were little. Nothing would make it set. They still remember drinking it through staws straight from the jam jar!

Great Trisha!

Still like the ice cream option though.