Pumpkin Muffins with Pork Rind Flour It is the Pumpkin time of years I thought I would try making Pumpkin Muffins. I am extremely carb sensitive, so instead of using nut flours, I used crushed pork rinds, or - as I call it - Pork Rind flour. Pork Rind Flour: To make Pork Rind Flour, put pork rinds into a ...