You sure can! You can definitely use that if you have about 2 – 2 ½ cups of u003ca href=u0022https://www.organizeyourselfskinny.com/freezer-meal-starter-slow-cooker-basic-shredded-chicken-filling/u0022u003eshredded chickenu003c/au003e in the refrigerator or freezer. Just stir it in after you add the cream cheese and blue cheese mix and cook until it's hot. Since it's already cooked, you don't need to add it initially. You can even use shredded rotisserie chicken in this recipe!