Dinner · Part 3 of 3: Tips & recipe card

Creamy Crockpot Kielbasa Alfredo Penne Tips, FAQ & printable recipe

Name: Creamy Crockpot Kielbasa Alfredo Penne
Prep time: 10 min
Cook time: 3 h
Total time: 3 h 10 min
Cuisine: American
Ingredients: 2 lb smoked kielbasa, sliced into 1/2-inch medallions; 1 lb penne pasta; 4 cups fresh broccoli florets; 1 jar (15 oz) creamy garlic parmesan Alfredo sauce; 8 oz block cream cheese, softened; 2 cups shredded whole-milk mozzarella

By Clara Weller · Oct 28, 2026

Slow cooker filled with creamy kielbasa Alfredo penne, garnished with parsley.

Prep: 10 min
Cook: 3 h
Total: 3 h 10 min
Serves: 8

Tips for success

For the best texture, use a high-quality Alfredo sauce with real Parmesan and garlic. If you prefer a lighter sauce, you can substitute half of the Alfredo with chicken broth.

To make the dish spicier, use hot smoked kielbasa or add a pinch of red pepper flakes. For a gluten-free version, use gluten-free penne and ensure the Alfredo sauce is gluten-free.

When reheating leftovers, add a splash of milk or chicken broth to loosen the sauce, as it thickens when chilled. The pasta will continue to absorb liquid, so a little extra moisture helps restore the creamy texture.

If you have extra cheese, sprinkle some on top before reheating. This dish also freezes well; see the storage notes below for details.

Variations

Chicken Alfredo: Replace the kielbasa with 1 1/2 pounds of boneless, skinless chicken thighs, cut into bite-sized pieces. Cook on low for 4 hours or until the chicken reaches 165°F. The chicken will be tender and juicy.
Spicy Sausage: Use hot Italian sausage or andouille instead of kielbasa for a spicy kick. Add a pinch of red pepper flakes along with the Alfredo sauce to amplify the heat.
Vegetarian: Omit the meat and add an extra 2 cups of broccoli and a can of drained chickpeas for protein. The chickpeas will absorb the sauce and add a nice texture.
Extra Cheesy: Add 1/2 cup of grated Parmesan cheese along with the mozzarella, and sprinkle additional mozzarella on top during the last 15 minutes of cooking for a golden, bubbly crust.

Storage and make-ahead

Fridge: Store in an airtight container in the fridge for up to 3 days. Add a splash of milk when reheating to restore creaminess.
Freezer: Freeze in a freezer-safe container for up to 2 months. Thaw overnight in the fridge before reheating.
Reheat: Reheat in the microwave or on the stovetop, adding a little milk or broth to loosen the sauce. Stir frequently until hot.

Store leftovers in an airtight container in the refrigerator for up to 3 days. The sauce will thicken as it cools, so add a splash of milk or broth when reheating.

Reheat in the microwave or on the stovetop over medium-low heat, stirring frequently, until heated through. Do not leave the dish at room temperature for more than 2 hours.

This recipe is ideal for meal prep. Assemble all the ingredients in the slow cooker insert the night before, cover, and refrigerate.

In the morning, place the insert in the slow cooker and cook on low as directed, adding about 30 minutes to the cooking time to account for the cold start. Alternatively, you can fully cook the dish and refrigerate it for up to 2 days before reheating.

Serving ideas

Serve this kielbasa Alfredo penne straight from the slow cooker for a casual family dinner. It pairs well with a simple green salad and crusty garlic bread to soak up the extra sauce. For a more elegant presentation, spoon the pasta onto a large platter and garnish with fresh parsley and extra Parmesan shavings.

This dish is hearty enough to be a complete meal on its own, but it also works well as a side for grilled chicken or steak. For a lighter option, serve it with roasted vegetables or a crisp cucumber salad. The creamy, smoky flavors are comforting on their own, so keep the accompaniments simple to let the pasta shine.

Frequently asked questions

Can this recipe be made with frozen broccoli?

Yes, frozen broccoli can be used. Thaw it and drain well before adding to the slow cooker. Reduce the amount to 3 cups, as frozen broccoli releases more water. The cooking time may need to be reduced by 15 minutes to prevent the broccoli from becoming mushy.

Why is the sauce thin after cooking?

The sauce may be thin if the pasta didn't release enough starch or if too much liquid was added. Letting the dish rest for 5-10 minutes before serving allows the sauce to thicken. If it's still thin, stir in a slurry of 1 tablespoon cornstarch and 2 tablespoons water, and cook for an additional 15 minutes.

Can this be made gluten-free?

Yes, use gluten-free penne pasta and ensure the Alfredo sauce is certified gluten-free. The cooking time may be slightly shorter for gluten-free pasta, so check for tenderness at the 2.5-hour mark. All other ingredients are naturally gluten-free, but always check labels.

How long does this keep in the refrigerator?

Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. The sauce will thicken as it cools, so add a splash of milk or chicken broth when reheating to restore the creamy consistency. Reheat gently to avoid curdling the sauce.

Can the pasta be cooked separately and added later?

Yes, for a firmer pasta texture, cook the penne separately until al dente, then stir it into the slow cooker with the sauce and cheeses during the last 30 minutes of cooking. This prevents the pasta from becoming too soft and allows for more control over the final texture.

Recipe card

Creamy Crockpot Kielbasa Alfredo Penne

Prep 10 minCook 3 hTotal 3 h 10 minServes 8

Ingredients

2 lb smoked kielbasa, sliced into 1/2-inch medallions
1 lb penne pasta
4 cups fresh broccoli florets
1 jar (15 oz) creamy garlic parmesan Alfredo sauce
8 oz block cream cheese, softened
2 cups shredded whole-milk mozzarella

Instructions

Place the sliced kielbasa in the bottom of a 6-quart slow cooker. Add the penne, broccoli florets, and the jar of Alfredo sauce. Stir gently to coat the pasta and vegetables with the sauce.
Place the block of cream cheese in the center of the slow cooker. Sprinkle the shredded mozzarella over the top.
Cover the slow cooker and cook on low for 3 hours, or until the pasta is tender and the sauce is bubbly. Stir once halfway through, if possible, to distribute the melted cheeses. Let it rest for 3 minutes before slicing.
Stir the pasta well to combine all the ingredients. Let it rest for 5 minutes to thicken slightly. Serve hot, straight from the slow cooker or onto plates.

Contains: gluten, milk

Estimated nutrition per serving

Calories: 650
Protein: 25 g
Carbohydrates: 45 g
Fat: 42 g

Automatic estimate from the ingredient list, not laboratory-verified.

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This recipe is based on a short cooking video and is published under the pen name Clara Weller. It was checked before publication, but errors can slip through. Nutrition, when shown, is an estimate. Read more in our editorial policy and on our food safety page.