Boil a large pot of salted water, add ¾ box 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 same skillet over high, cook undisturbed 3 min; sauté 3-4 min until browned + tender, season with salt/pep

Toss pasta with container of pesto, mushrooms + chicken then divide to plates—nom nom