Boil a large pot of salted water, add ½ the box of pasta + cook 10-12 min or until al dente, then drain + return to pot

Meanwhile, heat lightly oiled skillet over med-high; pat chicken breasts dry + sear 2 min per side until warmed through, then slice + set aside

Wipe mushrooms clean + thinly slice; heat 1 tbsp oil in skillet over high, add mushrooms + cook undisturbed 3 min; sauté 3-4 min until browned + tender, then season with salt/pep

Heat ½ cup sauce in a pan over medium until warm; toss pasta with sauce, chicken + mushrooms; divide to plates + garnish with chopped parsley