How to test jam

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Making homemade jam? Find out how to check that your jam is at the all-important setting point with this video from the Good Food cookery team.

Points to remember

The easiest way to test your jam is by using a sugar thermometer, bring the jam to 105C.
For an alternate method, put your plate in the freezer for about fifteen minutes before taking it out to test a spoonful of hot jam. Take the jam off the heat while testing.
Push your finger through the jam on the plate - you're looking for it to wrinkle and not flood back in to fill the gap.
If it's not ready, turn the pan back on, simmer for five minutes and test again.

TIPS

TESTING JAM

Turn the heat off while you test - you don't want to overcook the jam if it has set.

TESTING JAM

Wash your place and pop it back in the freezer if you do need to re-test.

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