This Crockpot Pierogi Casserole with Kielbasa is a hearty and comforting slow cooker dish made with frozen pierogi, smoky kielbasa, and a creamy mushroom sauce topped with melty cheddar cheese.
1. Spray the inside of the crockpot with non-stick cooking spray.
2. Layer half of the frozen pierogi at the bottom of the crockpot.
3. Top with half of the sliced kielbasa and half of the chopped onion.
4. In a separate bowl, mix the cream of mushroom soup, sour cream, and melted butter until well combined.
5. Spread half of the soup mixture over the kielbasa and pierogi.
6. Repeat the layers with the remaining pierogi, kielbasa, onion, and soup mixture.
7. Cover and cook on low for 4-5 hours or until the pierogi are tender.
8. During the last 30 minutes of cooking, sprinkle shredded cheddar cheese over the top.
9. Serve warm, garnished with chopped chives.
This recipe can be doubled for a larger crowd using a 6-8 quart slow cooker.
For a spicier twist, try using spicy kielbasa or adding a pinch of crushed red pepper to the sauce.