Saute garlic and pine nuts in hot oil in a large Dutch oven 2 to 3 minutes or until pine nuts are lightly browned, stirring frequently. Add broccoli and next 9 ingredients; cook, stirring occasionally, 5 minutes or until vegetables are crisp-tender. Stir in tomatoes. Chill vegetable mixture at least 1 hour.
Cook spaghetti according to package directions; drain. Rinse with cold water, and drain.
Melt butter in a large saucepan; stir in whipping cream and cheese. Cook, stirring constantly, until cheese melts. Add spaghetti, and toss gently. Cover and chill mixture at least 1 hour. To serve, spoon vegetable mixture over spaghetti. Yield: 6 to 8 servings.
NOTE: Pasta Primavera may be served hot. If so, do not rinse pasta and do not chill vegetable mixture.