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I appreciate the tip on saving lemon peels in the freezer for future recipes, that call for lemon rind or zest. I would like to add that by saving lemon peels in the freezer, you can use a few of them in the garbage disposal periodically. This will freshen the smell, and cleanse the disposal. Hope this helps some people.
To avoid odor or make odor go away, put lemon, lime, or orange peels and grind in the disposal with hot water. You will notice the odors will go away.
Source: My grandma used to do it