Makes: 8 servings. Prep: 15 minutes. Cook: 8 minutes.
Heat a large pot of lightly salted water to boiling. Add pasta and bring back to a boil. Cook 6 minutes.
Meanwhile, heat a large nonstick skillet over medium-high heat. Add olive oil and tilt pan to coat. Add chicken. Cook 6 minutes, stirring occasionally. During last minute of cooking, add yellow pepper to skillet. Remove from heat.
Once pasta has cooked for 6 minutes, add asparagus pieces and cook an additional 2 minutes. Scoop out 1/4 cup pasta water, then drain.
In a large bowl, toss together hot pasta and asparagus, chicken and pepper, tomatoes, herbed cheese, reserved pasta water, salt and pepper until well blended and cheese is melted.