Others claim the chicken pot pie is basically a bigger, cheaper, and more delicious alternative to Marie Callender’s. Here are 7 Costco prepared foods shoppers say beat restaurant versions. Kirkland Signature Rotisserie ChickenThe Kirkland Signature Rotisserie Chicken is a legend and an unbeatable value roast bird. Costco Chicken Pot PieAnd, the chicken pot pie is always a crowd pleaser in the fall and winter. “Made the pot pie tonight for the first time, it was fantastic.