Set skillet with sauce over moderate heat and simmer until reduced by half, about 5 minutes. (foodandwine.com)
Add pasta to skillet with sauce along with butter and 1/2 cup pasta cooking liquid. (bonappetit.com)
Reheat the chicken thighs in the skillet with the sauce and cook until the chicken is completely cooked through and no longer pink in the center. (juliasalbum.com)