# What You'll Need:
→ Main Ingredients
01 - 2 (16 oz) packages frozen potato and cheese pierogi
02 - 1 lb kielbasa, sliced into ½-inch rounds
03 - 1 medium yellow onion, thinly sliced
04 - 2 cups shredded cheddar cheese
→ Sauce
05 - 1 (10.5 oz) can condensed cream of mushroom soup
06 - 1 cup sour cream
07 - ½ cup milk
08 - ½ teaspoon garlic powder
09 - ¼ teaspoon black pepper
→ Topping
10 - 2 tablespoons chopped fresh chives or parsley
# Directions:
01 - Lightly grease the insert of a 6-quart slow cooker with cooking spray or butter.
02 - Arrange half the frozen pierogi on the bottom of the slow cooker. Top with half the sliced kielbasa and half the onion slices. Sprinkle 1 cup of shredded cheddar cheese over the layer.
03 - Repeat with remaining pierogi, kielbasa, onions, and remaining 1 cup of cheddar cheese.
04 - In a medium mixing bowl, whisk together cream of mushroom soup, sour cream, milk, garlic powder, and black pepper until smooth and fully combined.
05 - Pour the sauce mixture evenly over the layered ingredients in the slow cooker, ensuring all components are moistened.
06 - Cover and cook on LOW setting for 4 hours, or until everything is heated through and bubbly around the edges.
07 - Garnish with chopped fresh chives or parsley before serving if desired.