Wash the peppers then remove the stems, seeds and white membrane.
Cup up the peppers as small as you want. You may use a mandolin to cut.
Blanch in boiling water for 2 minutes. Drain.
Layer the peppers in single layer on the dehydrator trays.
Dehydrate at 135°F (57°C) for 9-12 hours.
Once dry store in a cool dark place in an airtight container.
If you wish to make a powder, place dry bell peppers into a blender or coffee grinder and pulse until you have a fine powder. Store in a cool dry place in an airtight container.