Crispy Fish with Greek Yogurt Mint Sauce

Greek yogurt ((nonfat or lowfat okay))

buttermilk ((lowfat okay))

chopped fresh mint, divided

minced fresh garlic

crushed red pepper flakes ((optional-- adds spice))

medium, thin white fish fillets - tilapia, trout, or red snapper ((about 1 lb.))

flour ((for gluten free substitute King Arthur gluten free multi-purpose flour))

grapeseed or olive oil ((I prefer grapeseed for frying))

paprika

Salt and pepper

sprigs of mint for garnish ((optional))