Prep: 8 minutes; Cook: 15 minutes
1. Cook pasta according to package directions, omitting salt and fat; drain.
2. While pasta cooks, bring 6 cups water to a boil in a large saucepan. Add shrimp; cook 2 to 3 minutes or until done. Drain shrimp; toss with 2 tablespoons pesto and tomatoes. Stir in pasta and 2 tablespoons pesto. Top with cheese. Garnish with basil, if desired.