Crockpot Pierogi Casserole with Kielbasa combines frozen pierogies, kielbasa, and cheddar cheese for a savory, creamy dish. Slow-cooked with chicken broth, cream cheese, and sour cream, this casserole is a hearty meal for busy weeknights. Finish with extra cheese and green onions for a comforting and flavorful dinner. Keywords: Crockpot Pierogi Casserole, Kielbasa, slow cooker, comfort food, cheesy casserole.