1. Place salmon, skin side down, on a broiler rack coated with cooking spray. Sprinkle with 1/8 teaspoon pepper. Broil 4-6 in. from the heat for 10-12 minutes or until fish flakes easily with a fork. Meanwhile, cook fettuccine according to package directions.
2. In a small saucepan, cook garlic in margarine for 1 minute or until tender. Stir in the flour, salt and remaining pepper; gradually stir in milk. Bring to a boil; cook and stir for 2 minutes or until thickened. Remove from the heat. Stir in 3 tablespoons cheese.
3. Drain fettuccine; toss with sauce. Serve with salmon. Sprinkle with remaining cheese. Yield: 4 servings.