2. Step
Heat the remaining 1 tablespoon oil in the pan over medium-high heat. Add chicken, Italian seasoning, salt and the remaining 1 tablespoon garlic. Cook, stirring frequently, until the chicken is no longer pink on the outside, about 2 minutes. Add broth, tomatoes and penne. Bring to a boil and cook, uncovered, stirring frequently, until the penne is cooked and the sauce has reduced and thickened, 15 to 20 minutes.