This is a nice flouder recipe, pineapple mixing flounder is really tasty and healthy!
Heat oil in medium skillet.
Sprinkle both sides of fillets with salt and pepper.
Add fillets to skillet and sauté over medium heat about 3 minutes (less if fillets are very thin).
Turn, sprinkle with lemon juice, and spread pineapple over fish.
Cover skillet and cook another 3 to 5 minutes.