1½ pounds fish fillet, divided into 8 portions. But the most essential element is seasoning your fry batter. The batter Add more beer if necessary. Leaving fish pieces to swim around in buttermilk beforehand neutralizes the “fishy” odor that comes with catfish while also removing any lingering muddy flavors. Fry … Keep your oil temp between 350°-375°. Dip dusted fillets in batter, and then carefully place in preheated oil. After you dip the fish in the mustard water and then the fish flour, you will want to fry your fish in oil that is at least 350°. I actually don’t use a thermometer but all the “experts” say that’s the desired temperature for frying fish. For best results, place mix in resealable plastic bag, add fillets and shake until coated. In a medium bowl, combine remaining dry batter mix with 1 cup of beer. ½ teaspoon kosher salt. Note: if you let the batter sit for a while before you fry up the fish, you may need to more liquid right before you fry. Mix thoroughly; the resulting batter should be thin. You can combine the flour, baking powder, and salt ahead of time in a bowl, and then leave the bowl in the refrigerator until you are ready to fry. This recipe has the perfect ratio of savory and spicy, which separates a “meh” catfish fry … Your goal is a batter that’s a bit thinner than pancake batter so don’t be afraid of adding more beer. The batter is made from 4 simple ingredients: flour, beer, baking powder, and salt. Fry the fish. Cut the fish like so (or even smaller) because when you batter and fry it, it will just about double in volume!