There are 2 ways to dehydrate herbs.
Sun drying (Note: this will make the herbs lose colour and taste)
1. Gather herbs
2. Rinse herbs
3. Hang them upside down for 5 days or more till they are dry
Microvawe drying
1. Gather herbs
2. Rinse herbs
3. Put in microvawe for 30 seconds at 600 watt till dry and crispy (Only do SMALL!!! amounts at a time)