Add 1 cup of lemon juice into a bowl
Cut banana into thin 1/8 inch slices.
Place all banana slices in lemon juice, and leave for about 5 minutes.
Lay each banana slice on the dehydrator tray, and spread them out evenly.
Dehydrate at 135ยบ F for 12 hours.
If you want your slices a little thicker, cut them into 1/4 inches.