How To Sterilise Glass Jars In Oven

How to Sterilise Glass Jars in the Oven.

How to sterilise glass jars in oven. Using thick oven mitts remove each jar from the oven as needed onto a heatproof mat or heat pad making sure you fill while the jam or preserve is as hot as the jar. Ladle the hot preserve into a heatproof jug to make it easier to transfer the mixture into the hot jars. Preheat your oven to 130C any higher and you risk the glass breaking.

Heat of 220 degrees F kills bacteria and sterilizes the jars. Fill the jars with the preserves screw on the lid then wrap each one up in newspaper. Do not raise the temperature above as the glass jars could break.

Do not dry your jars. Sterilize the jars for about 20 minutes. Use oven mitts to remove the jars from your oven.

Pop the wrapped jars in a large saucepan cover with water then bring to a simmer then simmer for 20 mins. Jars come out totally sterile and dry. Heat your oven to 140C210FGas Mark 1 and dry out the jars for around 15-20 mins.

Then wash your jars in warm soapy water. Wearing oven mitts take the glassware out of the oven a few minutes before youre ready to fill the jars. You can get the prep done while your jam is simmering and by the time its cooked your jars will be ready.

Fill the pan with cold water until the jars are covered. Heat your oven to 140C 275F Gas Mark 1. Boiling jars in a hot water bath for at least 10 minutes.