In a large bowl, mix together all of the bar ingredients. (pumpkin, coconut oil, honey, stevia, cocoa, almond flour, coconut flour, arrowroot, coffee) Form into a 1/3 inch thick rectangle on a greased cookie sheet. Freeze for about 15 minutes, or until fairly hard.
Cut into bars.
Melt the chocolate chips with the coconut oil and drizzle over bars.
Freeze a few minutes.
Store in an airtight container in the fridge.