Crockpot Parmesan Kielbasa Alfredo Penne

Smoked kielbasa, penne pasta, fresh broccoli, and a creamy garlic Parmesan Alfredo sauce come together in the slow cooker for a rich, cheesy pasta bake that tastes like you simmered it all day—but it takes just minutes to assemble.

The Italian cheese blend and Parmigiano-Reggiano melt into a golden crust that makes every spoonful irresistible. This is the ultimate dump-and-go dinner for busy weeknights.

This Crockpot Parmesan Kielbasa Alfredo Penne is the kind of meal that feels like a warm hug in a bowl. Smoked kielbasa brings a savory, slightly smoky flavor that pairs beautifully with the creamy Alfredo sauce and tender broccoli.

The penne absorbs the sauce as it cooks, becoming perfectly al dente while the cheeses melt into a velvety, golden topping. All you have to do is layer the ingredients, set the slow cooker, and let it work its magic. It’s a complete one-pot dinner that’s sure to become a family favorite.

Ingredients

Why this recipe works

The slow cooker does all the work here. By cooking the pasta directly in the sauce, the starches from the penne help thicken the Alfredo, creating a luscious, clingy sauce that coats every piece of pasta and kielbasa.

The low, gentle heat allows the flavors to meld together without any constant stirring or attention.

Smoked kielbasa is already fully cooked, so it just needs to warm through and infuse the dish with its rich, smoky taste. The broccoli steams in the sauce, becoming tender while still retaining a slight bite.

The combination of the Italian cheese blend and Parmigiano-Reggiano on top creates a golden, bubbly crust that adds texture and depth.

Notes and substitutions

Use a good-quality Alfredo sauce from a jar or make your own with butter, cream, and Parmesan. The sauce should be thick enough to coat the pasta but not too dense. If you prefer a lighter version, you can substitute half the Alfredo with chicken broth, but the dish will be less creamy.

Fresh broccoli florets work best here; frozen broccoli can become mushy and release extra water. For the cheeses, shred them from a block for the best melting. Pre-shredded cheese often contains anti-caking agents that can affect the sauce texture. You can also swap the Italian blend for mozzarella or provolone.

• smoked kielbasa: smoked turkey sausage or andouille sausage for a different flavor
• penne pasta: rigatoni, fusilli, or other short pasta shapes
• broccoli florets: cauliflower florets or chopped asparagus
• Alfredo sauce: homemade Alfredo sauce or a jar of your favorite white pasta sauce

Equipment

• 6-quart slow cooker
• Large skillet (optional, for browning kielbasa)
• Cutting board
• Chef's knife
• Measuring cups and spoons
• Wooden spoon or spatula
• Serving spoon