Preserving herbs by freezing or drying UMN Extension
Drying herbs in the microwave. Parsley, basil and celery leaves dry well in some microwave ovens with a wattage rating of 1,000 or less for 2-3 minutes. Place herbs in a single layer on a paper towel and cover with a second paper towel. Check every 30 seconds, rotating the herbs. Continue checking every 30 seconds until dry.
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