Gluten Free Penne Alfredo Bake with Italian Sausage
This creamy gluten free penne Alfredo bake with Italian sausage is an easy, comforting dinner made with tender pasta, savory sausage, homemade Alfredo sauce, and plenty of melted cheese. It comes together in about 30 minutes, making it perfect for busy weeknights when you want something hearty without spending hours in the kitchen.
Use mild Italian sausage for a family-friendly meal or hot Italian sausage if you like a little kick. Either way, the creamy Parmesan sauce and golden mozzarella topping make this gluten-free pasta bake completely irresistible!
Why You’ll Love This Gluten Free Pasta Bake
- Ready in about 30 minutes
- Made with a simple homemade Alfredo sauce
- Uses only a handful of ingredients
- Easily prepared in one oven-safe skillet
- Perfect for busy weeknights
- Delicious with mild or hot Italian sausage
- Naturally easy to keep gluten free
Ingredients
- 1 box Barilla gluten free penne pasta, or your favorite gluten-free penne
- 1 pound ground Italian sausage (I prefer hot for a kick)
- 2 tablespoons salted butter
- Pinch of salt
- 2 cups heavy whipping cream
- 1½ cups shredded Parmesan cheese
- ½–1 cup shredded mozzarella cheese, for topping
Gluten Free Ingredient Notes
Always check the label on your Italian sausage to make sure it is gluten free. Most plain Italian sausage is made without gluten-containing ingredients, but seasoning blends and processing methods can vary by brand.
I use Barilla gluten-free penne because it holds its shape well in baked pasta dishes. You can substitute another gluten-free penne or similarly shaped pasta if desired.
For the smoothest Alfredo sauce, use freshly shredded Parmesan cheese whenever possible. Pre-shredded cheese often contains anti-caking ingredients that may prevent it from melting as smoothly.
How to Make Gluten-Free Penne Alfredo Bake
1. Cook the Italian sausage
Place the ground Italian sausage in a large, deep skillet over medium heat. Cook the sausage, breaking it apart with a spoon or spatula, until it is browned and completely cooked through.
Carefully drain the excess grease and transfer the sausage to a plate. Set it aside while you prepare the Alfredo sauce.
2. Boil the gluten-free pasta
Bring a large pot of salted water to a boil. Add the gluten-free penne and cook for approximately 8 minutes, or until slightly firmer than your preferred texture.
The pasta will continue cooking when the dish is placed under the broiler, so be careful not to overcook it. Drain the pasta and set it aside. Do not rinse it.
3. Make the homemade Alfredo sauce
In the same deep skillet used to cook the sausage, add the salted butter. Stir over medium heat until the butter is completely melted.
Pour in the heavy whipping cream, add a pinch of salt, and stir to combine. Gradually add the shredded Parmesan cheese, stirring continuously over medium heat until the cheese is melted and the sauce is smooth and creamy.
Do not allow the sauce to come to a rapid boil, as high heat can cause the cheese sauce to separate.
4. Combine the pasta, sausage, and sauce
Return the drained Italian sausage to the skillet and stir it into the Alfredo sauce.
Add the drained penne and gently stir until the pasta and sausage are evenly coated in the creamy sauce.
If your skillet is not oven-safe, transfer the pasta mixture to a greased casserole dish.
5. Add the cheese and broil
Sprinkle ½–1 cup of shredded mozzarella evenly over the top. Use the full cup if you like an extra-cheesy pasta bake!
Place the skillet or casserole dish under the oven broiler for 2–5 minutes, or until the mozzarella is melted, bubbly, and lightly golden.
Watch the pasta closely while it is under the broiler because the cheese can brown quickly.
Allow the pasta bake to rest for a few minutes before serving. The Alfredo sauce will continue to thicken slightly as it cools.
Tips for the Best Alfredo Pasta Bake
Cook the pasta until just al dente
Gluten-free pasta can become soft when overcooked. Boiling it for approximately 8 minutes keeps it from becoming mushy when the dish is finished under the broiler. Check your pasta package because cooking times may vary by brand.
Shred your own cheese
Freshly shredded Parmesan and mozzarella melt more smoothly than many packaged shredded cheeses.
Keep the heat moderate
Use medium or medium-low heat when preparing the Alfredo sauce. If the cream and cheese become too hot, the sauce may separate or develop a grainy texture.
Watch the broiler carefully
The cheese may take anywhere from 2–5 minutes to become bubbly and golden. Stay near the oven and check it frequently to prevent burning.
Variations and Substitutions
- Make it spicy: Use hot Italian sausage and add a pinch of crushed red pepper flakes.
- Keep it mild: Choose mild or sweet Italian sausage for a kid-friendly version.
- Add vegetables: Stir in cooked broccoli, spinach, mushrooms, or peas before adding the mozzarella.
- Change the meat: Substitute ground chicken or turkey sausage.
- Add garlic: Stir one or two minced garlic cloves into the melted butter before adding the cream.
- Add herbs: Garnish the finished pasta with fresh parsley, basil, or Italian seasoning.
What to Serve with Penne Alfredo Bake
Because this Italian sausage Alfredo bake is rich and filling, it pairs well with a simple vegetable or salad. Try serving it with:
- A crisp garden salad
- Roasted broccoli
- Steamed green beans
- Garlic bread made with gluten-free bread
- Roasted asparagus
- Caesar salad with gluten-free croutons
Storage and Reheating
Store leftover penne Alfredo bake in an airtight container in the refrigerator for up to three days.
Reheat individual portions in the microwave until warmed through. The Alfredo sauce will thicken in the refrigerator, so add a small splash of milk or heavy cream before reheating to help restore its creamy consistency.
You can also reheat the pasta in a covered baking dish at 350°F until warmed through.
Frequently Asked Questions
Is Italian sausage gluten free?
Many Italian sausage products are gluten free, but not every brand is guaranteed to be safe. Always read the ingredient list and allergen information, particularly if you have celiac disease or are highly sensitive to cross-contact.
Can I use jarred Alfredo sauce?
Yes. Homemade Alfredo sauce gives this dish an especially rich and creamy flavor, but you can use your favorite gluten-free jarred Alfredo sauce when you need an even faster dinner.
Can I prepare this pasta bake ahead of time?
You can prepare the sausage, Alfredo sauce, and pasta earlier in the day. Combine everything in a covered casserole dish and refrigerate it. When you are ready to serve it, bake the covered dish at 350°F until heated through. Add the mozzarella and broil it just before serving.
Why did my Alfredo sauce turn grainy?
Alfredo sauce may become grainy if the heat is too high or if the cheese is added too quickly. Keep the skillet over moderate heat and add the Parmesan gradually while stirring continuously.
More Gluten Free Recipes to Try
Sheet Pan Sausage Peppers and Onions
Healthy Dairy Free Slow Cooker Zuppa Toscana
Gluten Free Penne Alfredo Bake with Italian Sausage
Ingredients
- 1 box Barilla gluten free penne pasta
- 1 pound ground Italian sausage mild or hot
- 2 tablespoons salted butter
- Pinch of salt
- 2 cups heavy whipping cream
- 1½ cups shredded Parmesan cheese
- ½ –1 cup shredded mozzarella cheese
Instructions
- Bring a large pot of salted water to a boil.
- Meanwhile, cook the Italian sausage in a large, deep skillet over medium heat, breaking it apart as it cooks.
- Once the sausage is browned and cooked through, drain the excess grease. Transfer the sausage to a plate and set it aside.
- Add the gluten-free penne to the boiling water and cook for approximately 8 minutes, or until slightly firm. Drain the pasta without rinsing it.
- In the same skillet used for the sausage, melt 2 tablespoons of salted butter over medium heat.
- Stir in the heavy whipping cream and a pinch of salt.
- Gradually add the shredded Parmesan cheese. Continue stirring over medium heat until the cheese is melted and the sauce is smooth.
- Return the drained sausage to the skillet and stir it into the Alfredo sauce.
- Add the drained penne and gently stir until everything is evenly coated.
- If the skillet is not oven-safe, transfer the pasta mixture to a lightly greased casserole dish.
- Sprinkle the shredded mozzarella evenly over the pasta.
- Place the dish under the oven broiler for 2–5 minutes, or until the cheese is melted, bubbly, and golden.
- Watch the dish carefully while broiling. Remove it from the oven and let it rest for a few minutes before serving.
Notes
- Use hot Italian sausage to give the pasta a spicy kick.
- Cooking the gluten-free pasta for approximately 8 minutes helps prevent it from becoming too soft. Check the package instructions because brands may vary.
- Use freshly shredded Parmesan for the smoothest sauce.
- Confirm that your sausage and all other packaged ingredients are labeled gluten free.
- Add a splash of milk or cream when reheating leftovers to loosen the sauce.
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