Crockpot Parmesan Sausage Alfredo Penne: Dump-and-Forget Dinner

This Crockpot Parmesan Sausage Alfredo Penne is the ultimate dump-and-forget dinner. Brown the sausage, toss in penne, broccoli, and a jar of Alfredo sauce, then let the slow cooker work its magic. The result is a bubbling, cheesy pasta bake with tender penne, crisp-tender broccoli, and savory sausage in a velvety garlic-Parmesan sauce. Perfect for busy weeknights, this recipe delivers big flavor with minimal effort.

Slow cooker pasta is a weeknight lifesaver, and this version is especially satisfying. Sweet Italian sausage brings rich, savory flavor, while penne and broccoli soak up a creamy garlic Parmesan Alfredo sauce.

A generous layer of Italian cheese blend and freshly grated Parmigiano-Reggiano melts into a golden, bubbling crust. With just a few minutes of prep and a few hours of hands-off cooking, you get a comforting, restaurant-quality dinner that the whole family will love.

Ingredients

Why this recipe works

The slow cooker gently cooks the pasta and broccoli in the Alfredo sauce, allowing the flavors to meld and the sauce to thicken into a velvety coating.

The low, even heat prevents the dairy from curdling and keeps the pasta from turning mushy, as long as the cooking time is respected. Browning the sausage first adds a deep, caramelized flavor that the slow cooker alone can't achieve, giving the dish a savory backbone.

Layering the ingredients in the order specified — sausage on the bottom, then pasta, broccoli, and sauce — ensures even cooking. The pasta sits above the meat, so it doesn't stick to the bottom, and the broccoli steams gently in the sauce.

The cheese blanket on top melts and forms a golden crust, trapping moisture and flavor. This method is forgiving and foolproof, making it perfect for beginner cooks and busy families alike.

Notes and substitutions

Use a good-quality jarred Alfredo sauce with garlic and Parmesan for the best flavor, or make your own if you prefer. Sweet Italian sausage is classic, but hot Italian sausage adds a nice kick.

Fresh broccoli florets hold their texture better than frozen, but frozen (thawed and drained) works in a pinch. The Italian four-cheese blend typically includes mozzarella, provolone, Parmesan, and asiago — all melt beautifully.

A 6-quart slow cooker is ideal for this recipe; a smaller one may not fit all the ingredients. If your slow cooker runs hot, check the pasta at the 3-hour mark. The pasta should be al dente, not mushy. For a gluten-free version, use gluten-free penne and verify that your Alfredo sauce is gluten-free. For a vegetarian version, omit the sausage and add an extra cup of broccoli or mushrooms.

• sweet Italian pork sausage: Mild or hot Italian sausage, or ground pork seasoned with fennel and garlic
• penne pasta: Rigatoni, ziti, or fusilli — any short pasta that holds sauce well
• broccoli florets: Frozen broccoli florets (thawed and drained) or cauliflower florets
• creamy garlic Parmesan Alfredo sauce: Homemade Alfredo sauce (butter, cream, garlic, Parmesan) or a jarred Alfredo of choice

Equipment

• 6-quart slow cooker
• Large skillet
• Wooden spoon
• Measuring cups and spoons
• Chef's knife
• Cutting board
• Serving spoon
• White dinner plate