Authentic Seville Marmalade from Ojai, California
Illustrated Recipe Page 15.

Sterilize jars

Sterilize the jars in a 225 degree F. oven for the last half hour prior to filling. This is vital to prevent any contamination and/or bacteria not to mention to protect your health. They will be hot, SO DO NOT USE YOUR BARE HANDS! Use either a tool or oven mitt.

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