2 lbs. fish fillets (Snapper, bass, or other thick, white fish fillets)
1 red onion, thinly sliced
4 tbsp. lemon juice
2 tsp. oregano
4 tbsp. minced parsley
1 lg. tomato, chopped
1/2 c. feta cheese

Place fish in lightly oiled baking dish. Cover with onions. Sprinkle on lemon juice and oregano. Mix together parsley and tomatoes and spread over fish. Sprinkle with feta cheese. Cover tightly with foil and bake at 350 degrees for 25 to 30 minutes. Serves 4 to 5.