Kosher salt and freshly ground black pepper to taste
Instructions
Pat the chicken with paper towels; cut it into 1-inch cubes.
Heat the butter and olive oil in a large skillet over medium heat.
Add the chicken pieces to the skillet and brown for about 5 minutes, turning frequently; remove to a plate and set aside.
Add the mushrooms to skillet and cook until they are tender and browned. Stir in the cream of mushroom soup, garlic, thyme, and rosemary. Return chicken to skillet. Cover and cook over low heat for about 15 minutes, stirring occasionally.
Blend in half-and-half or cream; heat slowly. Taste and adjust the seasonings, adding salt and pepper, as needed.