Kielbasa Pierogi Bake
Kielbasa Pierogi Bake is my kind of comfort-food dinner: cheesy, creamy, and built around those freezer staples that always come in handy. It’s hearty in the way a good casserole should be, with browned sausage and tender pierogies in a rich onion sauce.
The flavor here is all about smoky kielbasa and soft pierogies with a sauce that tastes like a cross between sour cream and French onion dip (in a good way). I also like how the top gets golden and melty once the cheddar goes on.
For me, this is a weeknight casserole that’s still nice enough to serve when friends are over. I usually put out extra sour cream and a handful of green onions so everyone can top their own.
Why You’ll Love This Recipe
Weeknight friendly: Frozen pierogies do a lot of the work, and the whole thing bakes in one dish.
Real comfort food: Creamy onion sauce, smoky sausage, and plenty of cheese is a combination I never get tired of.
Freezer-to-oven vibes: No need to thaw the pierogies first, which makes this one easy to keep on regular rotation.
Feels like a full meal: You get starch, protein, and sauce all in one pan, so sides are optional.
Easy to tweak: You can swap pierogi flavors, change the broth, or add sauerkraut or mushrooms depending on what you like.
Key Ingredients
Bake
- Frozen potato and cheese pierogies: I use the freezer section kind and toss them in straight from frozen. Potato cheddar is classic, but onion or even loaded potato-style works too.
- Kielbasa: Any smoked Polish sausage is great here. I like it sliced on the thicker side so it stays meaty and doesn’t disappear into the sauce.
- Yellow onion: Thin slices soften down and make the sauce taste a little like onion dip. Sweet onion works too if that’s what you have.
- Garlic: Fresh minced garlic is best here. Jarred garlic is fine, but it can taste a little sharper.
- Butter: This helps the kielbasa and onions brown and keeps the sauce from tasting flat.
- Low sodium chicken broth: Low sodium is nice since the kielbasa and cheese already bring salt. Vegetable broth swaps in easily.
- Sour cream: This is where that tangy, creamy casserole flavor comes from. Full-fat holds up the best in the oven, in my opinion.
- Cream cheese: Softened cream cheese makes the sauce thicker and smoother. Let it sit out for a bit so it whisks in without lumps.
- Shredded cheddar cheese: I like sharp cheddar for this. Pre-shredded works, but freshly shredded melts a little nicer.
- Smoked paprika: A small amount goes a long way and works really well with the smoky kielbasa.
- Kosher salt: Go light at first, then adjust if needed since different sausages vary a lot.
- Black pepper: Just enough to keep the sauce from tasting too rich.
Finish and garnish
- Green onions: I like the fresh bite against the creamy casserole. Chives work if that’s what you have.
- Fresh parsley: Totally optional, but it makes the whole dish taste a little fresher.
- Extra sour cream: I always serve it on the side. It’s especially good if your kielbasa is on the spicier side.
Recipe Instructions
- Preheat the oven: Heat the oven to 375°F and lightly grease a 9×13-inch baking dish.
- Melt the butter: Melt the butter in a large skillet over medium heat.
- Brown the kielbasa: Add the sliced kielbasa and cook until lightly browned, stirring now and then.
- Cook the onion: Add the onion and cook until softened, then add the garlic and cook for about 30 seconds.
- Whisk the sauce: Whisk the broth, sour cream, cream cheese, smoked paprika, salt, and pepper into the skillet until mostly smooth.
- Add the pierogies: Add the frozen pierogies and stir to coat, then stir in half of the cheddar cheese.
- Transfer to the dish: Spoon the mixture into the baking dish and spread it out evenly.
- Bake: Cover tightly with foil and bake for about 25 minutes, until the pierogies are tender and the casserole is bubbling.
- Add cheese: Uncover, sprinkle with the remaining cheddar, and bake another 10 to 15 minutes, until melted and lightly browned.
- Rest and serve: Let it rest for 5 minutes, then garnish with green onions and parsley and serve with extra sour cream.
My Tips!
This is the section that separates “good” from “wow.” If you read only one part of this post, make it this one — it’s where I reveal my recipe trick.
Recipe Tips & Tricks
Slice the kielbasa a little thick. Thicker rounds stay juicy and browned, and you still get a good bite of sausage in each scoop.
Soften the cream cheese first. If it’s cold, it tends to stay in little chunks and takes longer to smooth out. Even 10 to 15 minutes on the counter helps.
Cover tightly with foil. You want the pierogies to steam and get tender in the sauce before you worry about browning the top.
Watch the salt. Kielbasa and cheddar can be pretty salty, so I usually start light and let people add more at the table if they want.
Broil for a crispier top. If you like more browning on the cheese, broil for 1 to 2 minutes at the end, and keep a close eye on it.
Simple tweaks
Here’s where the fun begins — a few simple tweaks can turn this recipe from casual treats into the star of any party.
Serving Suggestions
- Simple salad: I like this with a chopped cucumber and tomato salad or a basic bagged Caesar. Something cold and crunchy is nice on the side.
- Sauerkraut: Warm sauerkraut (or even drained, rinsed kraut) is a really good match if you want a more classic Polish-American plate.
- Roasted vegetables: Roasted broccoli, green beans, or Brussels sprouts work well here. I usually go with whatever I can cook on a sheet pan while the casserole bakes.
- Extra toppings: Put out sour cream, green onions, parsley, and a little hot sauce. Let people keep it simple or dress it up.
Eat it later
This section explains how to store leftovers properly and how far in advance the recipe can be prepared.
Storage and Make Ahead
Store leftovers covered in the fridge for up to 4 days. Reheat individual portions in the microwave, or warm the whole dish in the oven until heated through.
You can make this recipe ahead by assembling it in the baking dish, covering it tightly, and refrigerating it overnight. Bake the next day as directed.
If you’re baking it straight from the fridge, expect to add a few extra minutes to the covered bake time. You’re looking for bubbling edges and pierogies that are tender.
If you want it longer term, you can freeze individual portions or freeze the baked casserole. Thaw in the fridge overnight before reheating.
It could help!
Before you close the tab or print the recipe, scroll through these quick answers.
Recipe FAQs
Do I need to thaw the pierogies first?
No, I make this with frozen pierogies. They cook through while the casserole bakes covered, and it keeps the recipe easy.
Can I use a different pierogi flavor?
Yes. Potato cheddar is the most classic here, but potato and onion is great too. I’d skip sweet or dessert-style pierogies for this one.
Can I swap the kielbasa for another sausage?
You can use other smoked sausage, and it’ll still taste great. If you use something like uncooked Italian sausage, you’ll want to brown it really well first and make sure it’s cooked through before it goes in the bake.
Can I add sauerkraut or mushrooms?
Definitely. I like adding drained sauerkraut (don’t add it super wet) or sautéed mushrooms along with the onions, so they don’t water down the sauce.
How do I know it’s done?
The pierogies should be tender when you poke them with a fork, and the sauce should be bubbling around the edges. If the top is browned but the pierogies still feel firm, cover again and bake a little longer.
Keep it with you
The printable version with print button is at the end of the post, easy to follow, and includes all the steps you’ll need.
MORE RECIPES TO TRY
Kielbasa Pierogi Bake
Ingredients
Bake
- 24 oz frozen potato and cheese pierogies
- 1 lb kielbasa sliced into 0.5 inch rounds
- 1 medium yellow onion thinly sliced
- 2 cloves garlic minced
- 2 tbsp butter
- 1 cup low sodium chicken broth
- 1 cup sour cream
- 4 oz cream cheese softened
- 2 cups shredded cheddar cheese divided
- 1 tsp smoked paprika
- ½ tsp kosher salt
- ¼ tsp black pepper.
Finish and garnish
- sliced green onions for garnish
- fresh parsley for garnish
- extra sour cream for serving.
Instructions
Prep and assemble
- heat oven to 375 F and lightly grease a 9 by 13 inch baking dish
- melt butter in a large skillet over medium heat then add kielbasa and cook until lightly browned
- add onion and cook until softened then add garlic and cook 30 seconds
- whisk broth sour cream cream cheese paprika salt and pepper into the skillet until mostly smooth
- add frozen pierogies and stir to coat then stir in 1 cup cheddar
- transfer mixture to the baking dish and spread evenly.
Bake and serve
- cover tightly with foil and bake until pierogies are tender and bubbling about 25 minutes
- uncover sprinkle with remaining 1 cup cheddar and bake until melted and lightly browned 10 to 15 minutes
- rest 5 minutes then garnish with green onions and parsley and serve with extra sour cream.
