Salmon in Foil

Preheat oven to 400. Season the salmon fillets with salt and pepper. Cut 4 square-shaped pieces of aluminum foil, large enough to hold each portion of fish and vegetables. Place the fish on one side of the foil. Cut peppers into circular pieces (rings) and lay them down, one by one, color by color, on top of the fish. Place asparagus inside the rings and sprinkle mushrooms on top of them. In a small bowl, combine olive oil, rice vinegar, sesame oil and soy sauce. Mix well. Add 1 tablespoon of this mixture over each piece of fish. Sprinkle sesame seeds on top. Cut another large sheet of foil (the same size as the first) and place on top of each piece of fish. Pinch the top and bottom pieces of foil together with the fish inside and seal the edges. Make sure they are tightly sealed. Place on a baking sheet and bake for 10 to 15 minutes, depending on the thickness of the fillets. Remove from oven, remove foil and plate fish and vegetables.