Cheesy Chicken Pierogi Bake is a delicious and comforting casserole dish that combines tender chicken, cheesy pierogis, and a creamy sauce. The chicken is seasoned with herbs and spices, then cooked until juicy and flavorful. The pierogis are boiled until tender, then layered with the chicken and smothered in a creamy sauce made with sour cream and cheese. The casserole is baked until bubbly and golden, creating a satisfying and cheesy dish that is perfect for a family dinner or potluck.