I have recently made a large batch of habanero jelly, and followed the recipe exactly (please see References). I am wondering, why is the final boil of the sealed jars necessary? I've already boiled ...
I am making wine jelly and have run out of lemons. I have some citric acid in the pantry. Can I use the citric acid instead? The jelly calls for half a cup of lemon juice. If I can use it, how much ...