How To Sterilize Glass Bottles In Oven

To sterilize an item refer to the following table for temperatures and times required.

How to sterilize glass bottles in oven. I do not go in for the whole rigmarole of the canning process where you boil bottles and then dry them in the oven. I use this way whenever I am making jams or keeping baby homemade food this extends the expiration date. How to Sterilise Glass Jars in the Oven.

It usually takes about two hours to reach 350 well under Palmers max temperature increase rate of 5 degrees per minute. While some plastic caps made with PP plastic can withstand the boiling water the lining material often isnt a good fit for this type of temperature in a large pot fill the pot with water enough to submerge the jars. Fill and seal bottles immediately to avoid contamination.

Rinse thoroughly with distilled water. Wash your jars bottles in warm soapy water and rinse. Before you start make sure your bottles are able to withstand temperatures of up to 160c.

Since these bottles are cheap glass versus pyrex they will shatter if heated or cooled too quickly. Again in the name of avoiding a mess I wait for the oven to hit its lowest temp 170 F and then increase 25 degrees at a time until I reach 350 F. As well as getting the glass clean of any dirt or residue that could be leftover from warehousing or transportation the sterilisation process also kills off any nasty bacteria that would not usually be removed by just giving the glass a quick rinse in water.

Place a sheet of baking paper on one of the shelves of your oven not at the bottom of the oven and place the jars on the shelf making sure theyre not touching. Wash bottles thoroughly and remove sticky labels. Thats just a few methods you have available.

Line a baking tray with baking parchment and place your bottles on the tray. Then wash your jars in warm soapy water. Sterilize glass jars in hot water.