Fish fillets in green peppercorn sauce is a delicious and flavorful dish that combines tender fish fillets with a creamy and tangy sauce. The green peppercorns add a subtle heat and a burst of freshness to the dish. The fish fillets are cooked until they are flaky and then smothered in the creamy sauce. This dish is perfect for a special occasion or a weeknight dinner when you want to impress your guests or family.