3 Trusted Ways to Sterilize Jars for Jams and Preserves

Why Sterilize

Delicious strawberry jam
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first, why would you want to sterilize jars for all your adorable preserves ? fair because a clean sterilized jar is essential to the achiever and longevity of the jams and preserves you spend a draw of time make. Sterilizing is a crucial part of preserving to remove any bacteria, yeasts or fungi thus protecting the food you put into the jar. Dirty or jars not correctly cleaned will infect the food inside, and it will spoil very quickly .

Sterilizing is a quick and easy process indeed consequently should never be omitted. here are simpleton ways to achieve proper sterilization and make all your efforts at jam name, bottling and canning a success .

crucial note About Sterilizing Jars

Do NOT add cold food to hot jars, or hot food to cold jars ; differently, the jar will shatter which is very dangerous .

How to Sterilize Jars : The Oven Method

Sterilizing jars
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This method acting is the most-trusted method acting for ensuring your jars are scrupulously fairly for your preserves. It takes slightly longer than the other ways but starts the procedure about 30 minutes before your preserves are ready to pot and you will not even notice the time .

  1. Heat the oven to 275 F/130 C. Do not be tempted to heat the oven any higher, or you may risk the glass breaking.
  2. Lay a double layer of newspaper on each oven shelf but not the floor of the oven. If you are using a gas oven, make sure your newspaper is well away from any flame. If it is on a middle shelf, you will be fine.
  3. Arrange the jars on the oven shelf, making sure the jars are not touching each other. Close the oven door and sterilize the jars for a minimum of 20 minutes.
  4.  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.

This method works well for screw-top jars and the Kilner-style jars with a clip top and rubber rings .

crucial note About Sterilizing Jars

Do NOT add cold food to hot jars, or hot food to cold jars ; otherwise, the clash will shatter which is identical dangerous .

The Dishwasher Method

Clean canning jars
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The dishwasher method acting is a good method acting for sterilizing your jars full if you have a high-temperature rig on your car or a steam dishwasher .

Fill your dishwasher with clean coldness jars and run a minimum or rinse wash to time the ending with when your jam, preserve or pickle will be ready.

Use the jars one at a time from the dishwasher needed making certain you fill while the jam or preserve is hot as is the jolt .

This method works well for screw top jars and the Kilner-style jars with a trot top and rubber rings .

The Microwave Method

Tomato sauce in jars
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This method of sterilizing is good for regular jam jars but not the Kilner-style or for alloy lids.
Clean the jars as normal, rinse but leave the jars a small wet. Microwave for 30 to 45 seconds depending on the size of the jar .

We recommend not using old jam jolt lids if they are damaged or rusty, they should be thrown away as they may not make a good seal. alternatively, use wax phonograph record and cellophane or buy modern lids .

5 top Tips for Sterilizing Jars and Bottles for Preserves

Fresh raspberry jam
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  1. As already mentioned above, do NOT add cold food to hot jars, or hot food to cold jars.
  2. Do not use old jam jar lids if damaged or rusty, they should be thrown away as they may not make a good seal. Instead, use wax discs.
  3. Remove jars from the oven or dishwasher only when needed or they will cool down too much.
  4. Always sterilize more jars than you think you will need. Should you have more mixture than anticipated it is too late to start sterilizing once the food is ready.
  5. Leave jams, preserves or pickles to settle for 15 minutes before sealing.

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