In a pot, cook pasta according to package instructions, drain, then set aside.
2. Step
In the same pot, heat 2 tablespoons olive oil and sauté 2 garlic cloves.
3. Step
Add chicken breasts, season with salt and pepper, and fully cook. Remove cooked chicken from pot and set aside.
4. Step
In the same pot, pour the chicken broth, then add asparagus, salt, pepper, and the remaining garlic and stir. Cover and reduce heat to a simmer for 5 minutes.
5. Step
Add cooked chicken, penne, remaining olive oil, parmesan, and tomatoes, and stir until fully incorporated and the cheese has melted.