(Before beginning recipe, unwrap turkey, pat dry with a paper towel, and set aside.)
Mix together the butter, herbs, garlic powder, salt and pepper.
Loosen the skin on the turkey breast and rub the herbed butter mixture between the skin and meat.
Add the chicken broth to a 6 quart slow cooker.
Place the turkey breast in the slow cooker and cook on low for 4-5 hours or until it reaches 165 degrees (F).