Due to the departure of Christopher Kimball, Bridget Lancaster and Julia Collin Davison began hosting Cook's Country in season 10.
Also in season 10, America's Test Kitchen staff members Ashley Moore, Christie Morrison, and Bryan Roof were added to the cast, while Erin McMurrer, having moved to the America's Test Kitchen cast, is no longer seen on air on Cook's Country (but remains credited as a behind-the-scenes crew member).
New staff members Lawman Johnson and Natalie Estrada were added in season 12, while Lan Lam is no longer seen on Cook's Country.
Toni Tipton-Martin joined as Editor-in-Chief in season 14, giving a history lesson on each episode's primary recipe or ingredient.
Beginning in season 11, taping and production were moved to a purpose-built farmhouse studio set at America's Test Kitchen headquarters in Boston, Massachusetts.