Preheat oven to 375 degrees.
Season both sides of lamb chops with salt and pepper then brush with olive oil. In a food processor, combine pistachios and coconut flour to an oatmeal consistency; place on a plate.
Evenly dredge both sides of lamb chops in pistachio/flour mixture then place them in a baking pan; roast for 30 to 40 minutes or until chops register at least 130 degrees on a meat thermometer.