Step-by-step instructions
- Dice the kielbasa and add it to a greased slow cooker.
- Layer in the frozen hashbrowns, diced onion, and 2 cups of shredded cheddar cheese.
- In a separate bowl, combine the soup, milk, and sour cream. Season with salt, pepper, minced garlic, and onion powder to taste.
- Pour the mixture over the sausage and hashbrowns in the slow cooker.
- Sprinkle an additional 1/2 cup of cheese on top for that extra cheesy goodness.
- Cook on low for 6 hours or on high for about 3-4 hours, until everything is hot and cheesy.
- Serve it up with a fresh salad or some roasted veggies for a complete meal—don’t forget a side of Texas garlic toast for the ultimate comfort dinner!
Best ways to enjoy it
This Cheesy Kielbasa Hashbrown Casserole is perfect on its own, but if you want to elevate your meal, consider serving it with a fresh green salad to balance the richness. Roasted veggies add a nice touch of color and nutrition as well. If you’re particularly hungry or just feel like indulging, Texas garlic toast makes for a delicious side that’s hard to resist.
How to store
To ensure your delicious leftovers stay fresh, transfer any uneaten casserole to an airtight container. You can keep it in the refrigerator for up to 3-4 days. For longer storage, consider freezing it. Just let it cool completely, then portion it into freezer-safe containers. It’s best consumed within 2-3 months for peak flavor. When reheating, warm it in the oven or microwave until heated through, ensuring it’s safe to eat (at least 165°F).
Helpful cooking tips
- Prep ahead: You can easily prep the ingredients the night before, then throw everything in the slow cooker in the morning for an effortless dinner.
- Add veggies: Sneak in some spinach, bell peppers, or mushrooms to boost the nutritional profile of this dish without compromising on taste.
- Spice it up: If you enjoy a bit of heat, consider adding diced jalapeños or a dash of hot sauce to the sauce mixture.
Creative twists
Don’t hesitate to personalize this casserole! Try swapping in different proteins like chicken or plant-based sausages. For a different flavor profile, mix in some taco seasoning and top it with tortilla chips for a Tex-Mex twist. Breakfast lovers can even use breakfast sausage and add some scrambled eggs for a brunch-style casserole.

Common questions
What is the prep time for this dish?
The prep time for Cheesy Kielbasa Hashbrown Casserole is around 15-20 minutes, making it a quick option for busy nights.
Can I substitute the sausage?
Absolutely! You can use turkey sausage or even omit the meat entirely for a vegetarian version. Just ensure you adjust the cooking time if you use a different protein.
How do I safely store leftovers?
Place any leftover casserole in an airtight container once cooled. Store it in the fridge for up to 3-4 days or freeze for up to 2-3 months. Always reheat to at least 165°F to ensure it’s safe to eat.
Dig into this Cheesy Kielbasa Hashbrown Casserole for an easy, satisfying dinner that checks all the boxes for flavor, convenience, and comfort!






