So glad you brought this topic. I love Costco roast chicken a lot and use it for various recipes. I pull out chicken breast section neatly as possible and slice into about 1 to 1 1/2 inches, thigh meat intact as possible for later cutting or shredding and rest just pull out into pieces and freeze all. Here are some uses.
Chicken & Miso Noodle Salad from Mr & Mrs Wilkinson's How It Is at Home by Matt Wilkinson (easy dish for parties/gatherings and very well reveived by people), chilled Japanese ramen salads, chilled Asian noodle salads, enchiladas, omurice with chicken, fried rice, fried Asian style noodles, chicken laksa, Mexican style spicy tortilla soup, tacos, Puerto Rican aspao, taquitos, chalupas, King ranch breakfast strata, chicken pot pie, chimichangas, burritos, quesadillas, banh mi, chicken tikka wraps, Chicken and Swiss Stuffing Bake using stuffing mix, Paglia E Fieno Al Professore (check copymethat or food dot com), etc