ORIENTAL DRESSING:
Spread onion on a large baking pan. Heat in preheated 400* F. oven until edges are dark brown, about 15 minutes. Process onion in covered food processor until smooth. Place onion and remaining ingredients except cornstarch and 1/4 cup water in medium saucepan. Bring to a boil. Combine cornstarch and 1/4 cup water in cup until smooth. Gradually stir into dressing mixture. Heat until mixture boils, stirring constantly. Reduce heat to low; simmer 2 to 3 minutes.
PASTA DISH:
Heat Oriental Dressing in large saucepan over high heat to a boil. Add turkey, carrots, asparagus and spinach; reduce heat to medium. Cook 2 to 3 minutes. Pour over linguine in a large bowl; toss gently to coat.