Creamy Alfredo meets cheesy baked pasta in this viral Spaghetti Alfredo Bake. Layers of pasta, alfredo sauce, and cheese baked to bubbly perfection. Simple ingredients, big comfort food vibes. Budget-friendly, family-approved, and guaranteed to satisfy.
![Baked Alfredo spaghetti casserole.](https://smellslikedelish.com/wp-content/uploads/2023/02/alfredo-spaghetti-vertical-1.jpg)
Are you looking for a delicious, easy-to-make dinner your whole family will love? Look no further than this easy spaghetti Alfredo bake! Spaghetti with Alfredo sauce is creamy, cheesy, and so simple to assemble - yet packed full of flavor.
Ingredients You'll Need
With just a few simple ingredients already likely already found in your kitchen, this dish makes the perfect weeknight supper when time or energy are running low.
You can actually use any pasta you like when making this spaghetti Alfredo. Just cook the pasta according to the package directions, toss with a drizzle of olive oil so the pasta does not stick together while cooking the meat Marinara sauce and homemade Alfredo sauce.
Full ingredient amounts and preparation instructions are in the printable recipe card at the bottom of this post.
How To Make This Alfredo Spaghetti Casserole
- Preheat the oven to 350° F. Prepare a 9 x 13 casserole dish with non stick cooking spray.
- Heat a pot of water on high until boiling and start cooking the spaghetti according to the instructions on the box. Drain and toss with a drizzle of olive so it does not stick together. Set cooked spaghetti aside in a a large bowl for later.
Prepare The Meat Sauce And The Alfredo Sauce
- Brown the ground beef, onion, and garlic in a large skillet over medium high heat. Break the ground beef up as it cooks. Drain excess fat off and keep in the skillet.
- Add the Marinara and Italian seasoning to the skillet of beef. Bring to a boil, then reduce the heat to low and simmer for 10 minutes while preparing the Alfredo sauce.
Prepare The Alfredo Sauce
- Melt the butter in a saucepan. Stir in the cream and bring to a low simmer then add the Parmesan cheese.
- Stir the Alfredo sauce into the cooked spaghetti and toss to coat evenly.
Spread Out The Spaghetti Alfredo
- Transfer the Alfredo and spaghetti to the casserole dish, spreading to create an even layer.
Top The Alfredo Spaghetti Layer
- Add the meat Marinara sauce on top of the Alfredo spaghetti layer in the casserole.
Spread Meat Sauce Evenly
- Evenly spread the meat Marinara mixture over the top of the Alfredo spaghetti.
Top With Grated Mozzarella And Bake
- Top the meat sauce with the shredded Mozzarella cheese. Bake for 25 minutes in the preheated oven or until the cheese has melted and edges bubbly.
Tips for Success
- Toss the pasta with about 1 tablespoon of olive oil after cooking and draining in the colander. This will prevent the pasta from sticking together while cooking and assembling the spaghetti with Alfredo sauce.
- Do substitute the homemade Alfredo sauce with store bought if you want an even faster shortcut!
- Split this spaghetti Alfredo recipe into two smaller 8 x 8 baking dishes, and freeze one for later!
Substitutions and Variations
You can also substitute the homemade Alfredo sauce for a jar of store bought Alfredo sauce!
Below are few variations you can make using this Alfredo spaghetti recipe:
- Spicy - add chili pepper flakes with the Marinara sauce cooking stage.
- Vegetarian - omit the ground beef entirely, or substitute it with Beyond Meat ground 'beef'.
- Primavera style - dice up red and green bell peppers, cherry tomatoes, and a small zucchini squash. Toss in with the onions the last 5 minutes and saute until just slightly cooked. Layer Primavera and Marinara mixture on top of the Alfredo spaghetti layer.
Serving Suggestions
Make this spaghetti Alfredo recipe up ahead of time in your freezer, so you have a hasty dinner option on one of those work weary days. Serve with a tossed Caesar salad, or any green salad, and our Air Fryer Broccolini for a full meal!
Storage Options
- Store the wet ingredients (lettuce, tomato, onion) separately from the dry ingredients (buns) in the fridge, and recombine when ready.
- Good for 2-3 days.
- Cover and freeze for up to 3 months.
- To warm, defrost in the refrigerator overnight, then bake at 250 for 30 minutes or until heated.
Related Recipes
- Air Fryer Spaghetti Squash
- Thai Basil Pesto
- Cajun Salmon Alfredo
- White Seafood Lasagna
- Wagyu Meatballs with Marinara
Equipment
Equipment can have a big impact on how a recipe turns out. Below are some of my favorite pieces of equipment that I use when making this dish.
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Frequently Asked Questions
Yes! Make this spaghetti Alfredo recipe and cover the baking dish cooked or uncooked with aluminum foil. Defrost overnight in the refrigerator. Bake the frozen uncooked casserole for 35 minutes at 350 F.
More Delish Ideas
Baked TikTok Spaghetti Alfredo
Equipment
Ingredients
- 16 oz uncooked spaghetti
- 1 lb ground beef
- 1 small onion diced
- 4 cloves garlic minced
- 2 teaspoon Italian Seasoning blend
- 24 oz Marinara sauce jarred
- 4 oz butter 1 stick
- 2 cup cream
- 1 cup Parmesan cheese grated, pizza type or fresh grated
- 2 cup Mozzarella cheese shredded
Instructions
- Preheat the oven to 350° F. Prepare a 9 x 13 casserole dish with non stick cooking spray.
- Heat a pot of water on high until boiling and start cooking the spaghetti according to the instructions on the box. Drain and toss with a drizzle of olive so it does not stick together. Set cooked spaghetti aside in a a large bowl for later.16 oz uncooked spaghetti
- Brown the ground beef, onion, and garlic in a large skillet over medium high heat. Break the ground beef up as it cooks. Drain excess fat off and keep in the skillet.1 lb ground beef, 1 small onion, 4 cloves garlic
- Add the Marinara sauce and Italian seasoning to the skillet of beef. Bring to a boil, then reduce the heat to low and simmer for 10 minutes while preparing the Alfredo sauce.24 oz Marinara sauce, 2 teaspoon Italian Seasoning blend
- Melt the butter in a medium saucepan over medium heat. Stir in the heavy cream and bring to a low simmer, stirring often. When the sauce starts to thicken slightly add the grated Parmesan cheese. Continue simmering, stirring often as sauce thickens. Remove from heat when sauce easily coats the spoon.4 oz butter, 2 cup cream, 1 cup Parmesan cheese
- Stir the Alfredo sauce into the cooked spaghetti and toss to coat evenly. Transfer the Alfredo and spaghetti to the casserole dish, spreading to create and even layer.
- Evenly spread the meat Marinara mixture evenly over the top of the Alfredo spaghetti. Top the meat sauce with the shredded Mozzarella cheese2 cup Mozzarella cheese
- Bake for 25 minutes in the preheated oven or until the cheese has melted and edges bubbly.
Notes
- Toss the pasta with about 1 tablespoon of olive oil after cooking and draining in the colander. This will prevent the pasta from sticking together while cooking and assembling the spaghetti with Alfredo sauce
- Do substitute the homemade Alfredo sauce with store bought if you want an even faster shortcut!
- Split this spaghetti Alfredo recipe into two smaller 8 x 8 baking dishes, and freeze one for later!
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