Cook pasta according to package
directions.
Preheat oven to 350°F.
Place the Parmesan cheese, flour, and
thyme in a paper bag. Individually coat the fish by gently
shaking the fillets in the bag; reserve the coating
ingredients in the paper bag.
Place fillets in a baking pan with
rack, bake for 20 minutes. The fish fillets are done when
they flake apart with a fork.
Heat a large, nonstick skillet over
medium-high heat. Sauté the yellow onion, mushrooms, green
onions and garlic until the onions are tender; stir
frequently. Seasoned with salt and pepper according to
taste.
Placecooked pasta on oven-warmed
plates. Attractively arrange the fish fillets on the pasta.
Serve with mushroom medley over the fish and pasta. Garnish
the dish with fresh thyme.