How To Cook Swai Fillets. Both swai and tilapia are freshwater fish that cost less than many other types of fish, mainly because they are easily farmed. Brush olive oil onto both sides of the fish fillets.

Remove frozen fish from all packaging and rinse under cold running water to remove any ice crystals. Lark gillespie after about three minutes, carefully flip the swai fillets over, sprinkling the other side with. Take the fillets out of the oven after 12 minutes or flip them and take them off the grill after 8 minutes to season them.