Spaghetti Alfredo Casserole
Spaghetti Alfredo Casserole is an easy and cheesy comfort meal combining classic spaghetti and Alfredo into a casserole.
Who doesn’t love a big bowl of spaghetti?
Carbs, cheese, and a little more cheese. It’s the ultimate comfort food.
I’ve shared a lot of delicious noodle-filled dishes over the years. Personal favorites – 30 Minute Fire Roasted Chicken Ragu, Lentil Pasta with Mustard Cream Sauce, Spring Peso Lamb Pasta, and now this Spaghetti Alfredo Casserole.
You’ve probably seen this decadent casserole floating around the TikTok space. There are a million different versions but I’m from the old school approach: Keep IT Simple. By combining traditional spaghetti and Alfredo into one dish you get the best of both worlds. Easy, cheesy, and freaking delicious.
Ready to make the comfort food dish of your dreams? Let’s go!
What is Spaghetti Alfredo Casserole?
A Spaghetti Alfredo Casserole is a baked dish that combines the flavors of spaghetti with Alfredo sauce. It’s a hearty and comforting dish that is super flavorful! The casserole is topped with cheese and baked until bubbly and golden brown.
Ingredients used to make Spaghetti Alfredo Casserole
The great benefit of making this casserole is you can use whatever ingredients you have in the fridge or pantry. Mix up flavors, proteins, noodles, etc. For this recipe you will need the following ingredients:
- Ground beef
- Yellow onion
- Garlic
- Favorite jar of pasta sauce
- Butter
- Heavy cream
- Kosher salt and pepper
- Garlic powder
- Onion powder
- Parmesan cheese
- Spaghetti noodles
- Mozzarella cheese
How to Make Spaghetti Alfredo Casserole
Making this casserole couldn’t be easier! These simple steps will help you achieve the best results and ensure a delicious, and perfectly cooked meal:
- Preheat your oven to 350 degrees. Bring a large pot of water to a boil and add the spaghetti noodles. Cook according to package instructions, drain, and set aside in a large bowl.
- While the pasta is cooking, in a medium skillet preheated to medium-high heat add the ground beef. Using a wooden spoon, break the beef up and cook for about 5 minutes or until no longer pink. Season with salt pepper. Next, add in the onion and garlic. Continue to cook for another couple of minutes or until the onion has softened. Add in the pasta sauce and stir to combine. Simmer the sauce over low heat.
- In a small saucepan add butter and melt over low heat. Once the butter is melted add in the cream. Stir to combine. Add in the garlic powder, onion powder, salt and pepper. Keep stirring and then add in the Parmesan cheese. Continue to stir until slightly thickened. Pour the sauce over the reserved spaghetti noodles and toss to combine.
- Spray a 9X13 baking dish with cooking spray. Add the spaghetti noodles to the baking dish and spread into an even layer. Top the noodles with pasta sauce followed by the shredded cheese. Bake for about 20 minutes uncovered or until golden brown.
Variations for Spaghetti Alfredo Casserole
Spaghetti Alfredo Casserole is a versatile dish that can be customized in various ways to suit your taste preferences. Here are some variations you can try:
Vegetarian Spaghetti Alfredo Casserole: Omit the chicken and add more vegetables such as spinach, cherry tomatoes, bell peppers, or zucchini.
Seafood Alfredo Casserole: Add cooked seafood like shrimp, crab meat, or scallops to the Alfredo sauce for a delicious seafood twist.
Broccoli Chicken Alfredo Casserole: Focus on the classic combination of chicken and broccoli. Add extra broccoli for a boost of vegetables.
Mushroom Alfredo Casserole: Highlight the earthy flavor of mushrooms by incorporating a mix of different varieties like cremini, shiitake, or oyster mushrooms.
Proper Storing
Properly storing Spaghetti Alfredo Casserole helps maintain its freshness.Here are steps to follow for storing and reheating:
- Refrigeration: Store the covered casserole in the refrigerator. Consume or freeze within 3-4 days to ensure freshness.
- Freezing: Clearly label the container or wrapping with the date of preparation. Frozen casseroles are best consumed within 2-3 months for optimal quality.
- Thawing: If frozen, thaw the casserole in the refrigerator overnight before reheating. This ensures even reheating and maintains the texture of the dish.You can reheat in the oven or microwave!
Spaghetti Alfredo Casserole
Ingredients
- 1 lb Spaghetti
- 1 lb Ground beef
- 1 cup Chopped yellow onion
- 2 cloves Garlic, minced
- Kosher salt and pepper
- 1 24oz jar Favorite pasta sauce
- 1 stick Unsalted butter
- 2 cups Heavy whipping cream
- 1 tsp Onion powder
- 1 tsp Garlic powder
- 2 cups Finely grated Parmesan cheese
- 2 cups Shredded mozzarella
- Fresh parsley, for garnish
Instructions
- Preheat your oven to 350 degrees. Bring a large pot of water to a boil and add the spaghetti noodles. Cook according to package instructions, drain, and set aside in a large bowl.
- While the pasta is cooking, in a medium skillet preheated to medium-high heat add the ground beef. Using a wooden spoon, break the beef up and cook for about 5 minutes or until no longer pink. Season with salt pepper. Next, add in the onion and garlic. Continue to cook for another couple of minutes or until the onion has softened. Add in the pasta sauce and stir to combine. Simmer the sauce over low heat.
- In a small saucepan add butter and melt over low heat. Once the butter is melted add in the cream. Stir to combine. Add in the garlic powder, onion powder, salt and pepper. Keep stirring and then add in the Parmesan cheese. Continue to stir until slightly thickened. Pour the sauce over the reserved spaghetti noodles and toss to combine.
- Spray a 9X13 baking dish with cooking spray. Add the spaghetti noodles to the baking dish and spread into an even layer. Top the noodles with pasta sauce followed by the shredded cheese. Bake for about 20 minutes uncovered or until golden brown.
