01 -
Fill a cast iron or heavy-bottomed skillet halfway with oil and bring to 350°F over medium-high heat.
02 -
Combine buttermilk and all-purpose flour with 2 teaspoons of Cajun seasoning each. Evenly coat both sides of each fish fillet with the remaining Cajun seasoning. Dip fillets into the seasoned buttermilk, allow excess to drip off, then dredge in seasoned flour, shaking off any excess flour.
03 -
Place dredged fillets carefully into hot oil and fry for 3 to 5 minutes, adjusting time based on thickness, until golden and crisp.
04 -
If required, fry fish in batches. Transfer cooked fillets onto a foil-lined baking sheet and keep warm in a 200°F oven.
05 -
Plate fried fish with lemon wedges and serve immediately. Optionally, provide hot sauce or preferred dipping sauces.