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Home » All Recipes » Pasta

Updated: Mar 31, 2026 · Published: Feb 21, 2023 . by Kelly Bloom · This website uses affiliate links. · 1 Comment

Baked Alfredo Spaghetti

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Baked Alfredo spaghetti casserole.

Creamy Alfredo meets cheesy baked pasta in this viral Baked Alfredo Spaghetti. Layers of pasta, Alfredo sauce, and cheese baked to bubbly perfection. Add a fresh Italian Chopped Antipasto Salad and Roasted Garlic and Tomato Focaccia bread for a complete meal!

Simple ingredients, big comfort food vibes. Budget-friendly, family-approved, and guaranteed to satisfy.

Baked Alfredo spaghetti casserole.

Why You'll Love This Recipe

The baked spaghetti casserole is a comforting and satisfying dish that's perfect for a weeknight dinner. This easy-to-follow recipe combines the rich flavors of creamy Alfredo sauce with tender spaghetti, all topped with gooey cheese.

This viral recipe combines the classic flavors of spaghetti and Alfredo sauce with the gooey goodness of melted cheese.

  • Quick and Easy: With an easy prep and simple pantry ingredients, this casserole is perfect for busy weeknights.
  • Family Friendly: The creamy Alfredo sauce, cheesy topping, and tender pasta create a delicious and filling meal.
  • Comfort Food: This hearty dish is sure to warm you up on chilly nights and provide a satisfying meal for the whole family.
Jump to:
  • Why You'll Love This Recipe
  • Ingredients Overview
  • How To Make This Alfredo Spaghetti Casserole
  • Serving Suggestions
  • Substitutions and Variations
  • Tips for Success
  • Storage Options
  • Related Recipes
  • Frequently Asked Questions
  • More Delish Recipes
  • Get The Recipe!

Ingredients Overview

You'll need spaghetti (or any pasta you prefer), ground beef, a jar of spaghetti sauce, a jar of Alfredo sauce, Parmesan cheese, minced onion and garlic, some milk, and Mozzarella cheese to make this hearty, filling casserole.

baked pasta ingredients.

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

Step 1: Preheat the oven to 350° F. Prepare a 9 x 13 casserole dish with non stick cooking spray.

Step 2: 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.

skillet with ground beef and diced onion cooking.

Step 3: 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.

pasta sauce added to cooked ground beef and onions.

Step 4: 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.

Parmesan cheese in saucepan with cream and butter.

Step 5: Melt the butter in a saucepan. Stir in the cream and bring to a low simmer then add the Parmesan cheese.

Alfredo sauce mixed with cooked spaghetti noodles.

Step 6: Stir the Alfredo sauce into the cooked spaghetti and toss to coat evenly.

Alfredo Sauce Hack

To save time, you can use a jar of store bought Alfredo sauce.

Alfredo sauce and cooked spaghetti noodles spread on bottom of a casserole dish.

Step 7: Transfer the Alfredo and spaghetti to the casserole dish, spreading to create an even layer.

meat sauce poured on top of cooked Alfredo sauce and cooked spaghetti noodles.

Step 8: Add the meat Marinara sauce on top of the Alfredo spaghetti layer in the casserole.

meat sauce spread on top of cooked Alfredo sauce and cooked spaghetti noodles.

Step 9: Evenly spread the meat Marinara mixture over the top of the Alfredo spaghetti.

Casserole dish of pasta covered with shredded mozzarella cheese.

Step 10: 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.

Serving Suggestions

This casserole is a delicious and satisfying meal that's perfect for a crowd, planned leftovers, or a buffet setting. Serve it alongside a fresh green salad or a side of soft Italian garlic breadsticks for a complete meal.

serving of spaghetti alfredo on a plate.

Substitutions and Variations

Here are a few delicious variations or substitutions when making this recipe.

  • 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.
  • Different Meats: Instead of ground beef, try cooked Italian sausage, shredded rotisserie chicken, or ground turkey for a different flavor profile.
  • Cheese Blends: While Parmesan is and mozzarella are classic, try provolone, or a touch of Asiago to the Alfredo sauce or as a topping for varied melt and flavor.

Tips for Success

Here are a few tips for making this recipe:

  • Brown Your Ground Beef Well: Before adding it to the casserole, ensure your ground beef is thoroughly browned and any excess grease is drained. This builds a foundational flavor for the dish.
  • Don't Overcook the Spaghetti: Cook the spaghetti slightly al dente, as it will continue to cook in the oven. This prevents it from becoming mushy in the finished casserole.
  • Layer Evenly: When assembling the casserole, distribute the ingredients, especially the meat sauce and Alfredo, as evenly as possible. This ensures every serving has a good mix of flavors and textures.
  • Use Freshly Grated Cheese: While pre-shredded cheese is convenient, freshly grated Parmesan or mozzarella melts smoother and tastes better in the Alfredo sauce and as a topping.
  • Rest Before Serving: Let the casserole sit for 5-10 minutes after removing it from the oven. This allows the sauce to set slightly, making it easier to serve clean portions.

Storage Options

Some recommended storage options for this recipe are:

  • Refrigerated: Store any cooled leftovers in an airtight container in the refrigerator for 3-4 days.
  • Freezer: To freeze, ensure the casserole is completely cooled. You can freeze individual portions or the entire casserole. Wrap it tightly in plastic wrap, then aluminum foil, or place in a freezer-safe container. Freeze for up to 2-3 months.
  • Reheating: For best results, reheat individual portions in the microwave until heated through, adding a splash of milk or broth if it seems dry. To reheat a whole casserole (thawed or frozen), cover it with foil and bake in an oven at 350°F (175°C) until hot in the center, removing the foil for the last 10-15 minutes if you want the cheese topping to re-crisp.

Related Recipes

  • Roasted Romanesco
  • Italian Chopped Antipasto Salad
  • Heirloom Tomato and Bread Salad
  • White Seafood Lasagna
  • Spaghetti with Garlic and Oil

Frequently Asked Questions

Can I use different types of pasta when making Baked Spaghetti Alfredo?

While spaghetti is classic, you could use other pasta shapes like penne, fettuccine, or ziti. Adjust cooking times as needed for al dente results.

Can I use jarred Alfredo sauce?

While a homemade Alfredo sauce is often preferred for flavor, you can certainly use your favorite jarred Alfredo sauce for convenience. Adjust seasoning as needed.

What if my Alfredo sauce breaks or separates?

How do I prevent this Baked Spaghetti Alfredo casserole from drying out?

Ensure your pasta isn't overcooked initially, and make sure there's enough sauce to coat everything. Covering the casserole with foil for most of the baking time also helps retain moisture.

What's the best way to get a golden-brown top on baked spaghetti alfredo?

For a beautiful golden crust, remove the foil during the last 10-15 minutes of baking. You can also briefly place it under the broiler, watching carefully to prevent burning.

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Get The Recipe!

Baked Alfredo spaghetti casserole.
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5 from 3 votes

Baked Alfredo Spaghetti

Baked Alfredo Spaghetti is perfect for a quick weeknight dinner when you are short on time or energy. Not only comforting and tasty, but you also get the added bonus of having a hearty meal.
Prep Time20 minutes mins
Cook Time25 minutes mins
Total Time45 minutes mins
Course: Main Dishes, Pasta
Cuisine: American, Italian
Servings: 8
Calories: 862kcal
Author: Kelly Bloom
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Equipment

  • Ceramic 9x13 Casserole Dish
  • Colander

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
US Customary - Metric
Prevent your screen from going dark

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 cheese
    2 cup Mozzarella cheese
  • Bake for 25 minutes in the preheated oven or until the cheese has melted and edges bubbly.

Notes

  • Brown Your Ground Beef Well: Before adding it to the casserole, ensure your ground beef is thoroughly browned and any excess grease is drained. This builds a foundational flavor for the dish.
  • Don't Overcook the Spaghetti: Cook the spaghetti slightly al dente, as it will continue to cook in the oven. This prevents it from becoming mushy in the finished casserole.
  • Layer Evenly: When assembling the casserole, distribute the ingredients, especially the meat sauce and Alfredo, as evenly as possible. This ensures every serving has a good mix of flavors and textures.
  • Use Freshly Grated Cheese: While pre-shredded cheese is convenient, freshly grated Parmesan or mozzarella melts smoother and tastes better in the Alfredo sauce and as a topping.
  • Rest Before Serving: Let the casserole sit for 5-10 minutes after removing it from the oven. This allows the sauce to set slightly, making it easier to serve clean portions.

Nutrition

Calories: 862kcal | Carbohydrates: 54g | Protein: 38g | Fat: 56g | Saturated Fat: 33g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 12g | Trans Fat: 1g | Cholesterol: 177mg | Sodium: 1235mg | Potassium: 663mg | Fiber: 3g | Sugar: 7g | Vitamin A: 1714IU | Vitamin C: 7mg | Calcium: 231mg | Iron: 3mg

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Comments

    5 from 3 votes (2 ratings without comment)

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    Recipe Rating




  1. Sue Wallace says

    May 19, 2025 at 11:48 am

    5 stars
    Delicious, I'm making this again!

    Reply
Kelly Bloom, Smells Like Delish

Hi, I'm Kelly!

I create recipes that you can get on the table even when you’re tired and in a hurry. From breakfast to dinner, appetizers to desserts you'll find delicious recipes that are easy for busy people to make.

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