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21 Spaghetti Squash Casserole Recipes

Enjoy healthier versions of your favorite pasta dishes with these easy spaghetti squash recipes!

By: Suzie Vyletel, Editor, AllFreeCasseroleRecipes.com
21 Spaghetti Squash Casserole Recipes

If you've never heard of spaghetti squash, now is the time to try it! This squash gets its name because of the texture it has when it is cooked. It can be shredded into long strings that resemble spaghetti, and can be used as a healthier alternative to pasta.

With these 21 Spaghetti Squash Casserole Recipes you can impress family and friends with delicious and creative casserole recipes. These recipes for spaghetti squash range from creamy and cheesy to crunchy and zesty. There are so many easy recipes below, you'll be cooking spaghetti squash like a pro in no time!

Spaghetti squash is a great alternative to pasta because it is full of vitamins and nutrients, and is a low-carb replacement. With some of these amazing casserole recipes, you might not even be able to tell that you're eating squash instead of pasta. Fussy eaters and kids will love these recipes because there is so much great texture and taste to them that they won't even miss the pasta. 

Even if you're not trying to watch your carb intake, spaghetti squash is just a delicious vegetable in general. It has a slightly sweet natural flavor that can be enhanced, but also works well with savory sauces and ingredients. Who isn't looking for tastier ways to increase their vegetable intake, afterall? So give these spaghetti squash recipes a try—you won't regret it!

Casseroles with Chicken

  • Paleo Chicken "Spaghetti"

    This paleo-friendly recipe replaces the pasta with spaghetti squash and uses homemade (and dairy free) cream of mushroom soup. While it takes time to prep all of the ingredients, the resulting meal is something you can truly feel good about!

  • BBQ Chicken Spaghetti Squash Casserole

    Barbecue sauce and Southwestern spices like cumin and chile pepper make up this flavorful casserole. Also, the spaghetti squash makes this a gluten-free and low-carb meal. Since this recipe packs a flavor punch, no one will ever guess it's healthy too!

  • Pretzel and Honey Mustard Spaghetti Squash Casserole

    It may sound like an odd combination for a casserole, but this recipe is completely delicious! Crunchy pretzels, sweet honey mustard, and healthy chicken breast and spaghetti squash make up this special recipe. If you are craving something different, give this casserole a try.

  • Favorite Chicken Tetrazzini

    This chicken casserole has all the cheesy, creamy goodness of chicken tetrazzini but it is much healthier! Greek yogurt and spaghetti squash help cut carbs and calories, while still creating an irresistibly delicious casserole.

Recipes with Ground Beef and Sausage

  • Paleo Pepperoni Pizza Casserole

    This casserole proves that you can follow the Paleo diet while still enjoying a meal that tastes like pizza. This recipe is naturally grain free and could also be made into a dairy-free dinner with the omission of cheese. This is sure to become a family favorite.

  • Thai Ground Beef Spaghetti Squash Casserole

    Ground beef, Thai chilies, red curry combine in this unique spaghetti squash bake. It's a healthy recipe with Asian-inspired flavors that will wake up your taste buds. This is a great casserole to make if you need a break from your go-to recipes.

  • Lasagna Inspired Spaghetti Squash Casserole

    While this recipe requires a fair amount of preparation, it is well worth the effort! However, if you cook and shred the spaghetti squash ahead of time it is much easier to assemble. The ground beef, tomato sauce, and ricotta will remind you of your favorite lasagna recipe.

  • Ground Beef-Stuffed Spaghetti Squash

    This ground beef recipe is just as satisfying as a bowl of spaghetti, but it's so much healthier. Plus, this recipe is both baked and served in halved spaghetti squash so it makes for a great presentation. The next time you have a squash lying around, try these squash boats.

  • Italian Spaghetti Squash Bake

    Italian sausage, spinach, ricotta, and mozzarella makes this recipe so flavorful and delicious that you won't even miss the pasta. If you are craving pasta, but want to eat healthy this spaghetti squash casserole is a great alternative!

  • Spaghetti Squash Pizza Casserole

    Between the Italian sausage and pepperoni this recipe will fool even the pickiest eaters! This is a much healthier option than ordering pizza and you can customize the toppings. Enjoy this with a side salad and you have a complete meal!

  • Skinny Spaghetti Squash Casserole

    German knockwurst and ham give this recipe a protein boost and give it amazing flavor! Bell peppers, spaghetti squash, and panko bread crumbs give this recipe the feel of a traditional casserole, but it's much healthier!

Vegetarian Spaghetti Squash Casseroles

  • Cheesy Spaghetti Squash Casserole

    This casserole has the flavor of traditional pasta dishes, except it is meat and pasta free! After one bite, you'd never guess that it was a guilt-free version. The green bell pepper, onions, and mushrooms make this into a completely delicious and cheesy meal.

  • Mexican Baked Spaghetti Squash Casserole

    This easy casserole will take your taste buds south of the border! As satisfying as a rice casserole, this grain free recipe is bursting with healthy ingredients like black beans and corn. Greek yogurt mellows out the flavors while adding additonal protein.

  • Black Bean and Spaghetti Squash Casserole

    This meatless recipe would work as either a main course or a side dish recipe for taco night. If you are serving this dish as the main meal, it would be great alongside a slice of cornbread for a complete meal. 

  • Nutty Spaghetti Squash Casserole

    You would never guess that a creamy casserole like this one was completely diary-free! A rich cashew cream sauce complements the squash, peas, green beans, and carrots in this simple, vegan-friendly casserole recipe.

  • Simple to Share Spaghetti Squash Casserole

    If you are only cooking for two or just for yourself, this is a great way to enjoy spaghetti squash! Zucchini, red bell pepper, and onion complement this veggie-loaded casserole. If you're not a vegetarian, this would make a great side dish with a grilled chicken breast!

Side Dish Recipes with Spaghetti Squash

  • Spaghetti Squash Carbonara Casserole

    This 5-ingredient recipe proves that bacon (or pancetta) makes everything better. Eggs and Parmesan cheese hold everything together in this delightful bake. Enjoy this for brunch or for dinner alongside a side salad.

  • Spaghetti Squash Hash Brown Casserole

    If you love classic hashbrown casserole, then you will enjoy this lower carb version. Greek yogurt and goat cheese makes this recipe creamy without the heaviness of a traditional hashbrown casserole. 

  • Spaghetti Squash and Bacon Casserole

    When the ingredient list includes bacon, onion, and Parmesan cheese, you can bet that the recipe will be delicious. This unique side dish casserole is sure to be a welcome sight on any table. It would be a great dish to to take to a potluck!

  • Spinach and Spaghetti Squash Casserole

    Spinach, tomato sauce, and grated Gruyere cheese gives spaghetti squash an entirely different flavor in this simple recipe. This vegetable casserole would be great served alongside some grilled chicken and a side salad.

  • Spaghetti Squash and Asparagus Casserole

    Looking for a way to switch things up? This might be the perfect recipe. Onion, spaghetti squash, and asparagus combine in this creamy cheesy side dish casserole. Crushed whole grain crackers on top give this recipe just the right amount of crunch.

What's your favorite way to cook with spaghetti squash?

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