1. Saute onion and bacon in large nonstick skillet over medium-high heat, about 5 minutes or until onion is soft. Pour off excess fat.
2. Stir tomatoes into skillet; cook over medium-high heat, stirring occasionally, for 8 to 10 minutes or until the sauce is lightly thickened. Add black pepper to sauce during the last 5 minutes of the cooking.
3. Meanwhile, prepare pasta according to package directions. Drain.
4. Toss together pasta and sauce in large serving bowl. Serve immediately. Makes 6 servings.