You will want to rinse the salmon and pat it dry. Season the fish with salt and pepper. Place the salmon in a microwave safe dish and tightly cover it with plastic wrap. Microwave the salmon for 3.5 minutes. Pierce the fish with a fork in the center to check if the salmon is cooked through.If there is no bright flesh in the center, the salmon is ready to eat. Season the salmon with salt and pepper. 2  Set aside. 3  In a small bowl, combine mayonnaise and sriracha sauce. 4  Generously spread the mayonnaise mixture on top of the fillet. 5  Add lemon slices and parsley. 6  Cover the dish tightly with microwave safe plastic wrap. 7  Microwave the fish for 3.5 minutes.