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    Home ยป Food and Drink ยป Entrees

    6-Ingredient Spaghetti Squash Pizza Casserole (Dairy-Free, Egg-Free, Gluten-Free, Vegan)

    Published: Apr 15, 2019 ยท Modified: Feb 19, 2021 by Jenna Urben ยท This post may contain affiliate links

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    6-Ingredient Spaghetti Squash Pizza Casserole is dairy-free, egg-free, gluten-free and vegan. This dinner casserole is low-carb, hearty, and healthy!

    6-Ingredient Spaghetti Squash Pizza Casserole is dairy-free, egg-free, gluten-free and vegan. This dinner casserole is low-carb, hearty, and healthy!

    Spaghetti squash is one of those ingredients that I adore but often forget about. Sorry, spaghetti squash! It's so versatile, usually on sale, and yields so much yumminess.

    My friend Christina, over at The Whole Cook has an awesome recipe for Baked Spaghetti Squash Casserole and that's what inspired this recipe. One of my most popular blog posts, How To Cook Spaghetti Squash in the Oven, recently got a little makeover so I've been cooking with this squash a lot more than usual.

    6-Ingredient Spaghetti Squash Pizza Casserole Ingredients
    6-Ingredient Spaghetti Squash Pizza Casserole How-To

    I realize that a lot (A LOT) of my recipes are either taco related or pizza, but I haven't heard any complaints! I could seriously live off tacos and pizza, they're just so delicious and always hit the spot. Sometimes though, I like to keep myself in check and eat a little healthier.

    This recipe is perfect for when you're craving a cheesy and comforting pizza, but you haven't worked out all week... Oops, guilty!

    6-Ingredient Spaghetti Squash Pizza Casserole is dairy-free, egg-free, gluten-free and vegan. This dinner casserole is low-carb, hearty, and healthy

    This spaghetti squash pizza casserole is seriously so simple, as the oven does most of the work. It's one of those recipes perfect for weeknights that also serve as an awesome lunch the next day.

    I used to hate leftovers but they truly make my life so much easier now that I'm cooking just about all my meals. If you have any casserole leftovers, just store the baking dish covered in your refrigerator and when you're ready to reheat, grab a serving, and pop it in the microwave.

    6-Ingredient Spaghetti Squash Pizza Casserole

    How to Make Spaghetti Squash Pizza Casserole

    Start by cooking down your onions and mushrooms, then stir in cooked marinara sauce, olives, and your other favorite pizza toppings. Transfer to a prepared casserole dish, top with vegan cheese and any additional toppings you have (maybe some basil or crushed red pepper). Bake for 25 minutes, remove from oven, and enjoy!

    6-Ingredient Spaghetti Squash Pizza Casserole Recipe

    6-Ingredient Spaghetti Squash Pizza Casserole is dairy-free, egg-free, gluten-free and vegan. This dinner casserole is low-carb, hearty, and healthy!

    6-Ingredient Spaghetti Squash Pizza Casserole

    Author: Jenna Urben
    6-Ingredient Spaghetti Squash Pizza Casserole is dairy-free, egg-free, gluten-free and vegan. This dinner casserole is low-carb, hearty, and healthy!
    4.75 from 8 votes
    Print Recipe Pin Recipe
    Prep Time 10 minutes mins
    Cook Time 25 minutes mins
    Total Time 35 minutes mins

    Ingredients
      

    • 1 medium spaghetti squash cooked and shredded
    • 1 small onion chopped
    • ยฝ cup sliced mushrooms
    • ยผ cup sliced black olives
    • 1 cup marinara sauce
    • 1 cup vegan shredded cheese
    • Salt and pepper to taste
    Prevent your screen from going dark while you're cooking!

    Instructions
     

    • Preheat oven to 375F. In a medium-large sautรฉ pan, cook onion and mushroom until soft and translucent.
    • Turn off the heat and mix in black olives, spaghetti squash, salt, and pepper. Stir in marinara until well combined.
    • Transfer mixture to a prepared casserole dish, top with vegan shredded cheese and any additional toppings.
    • Bake for 25 minutes or until heated through and cheese has melted.
    • Remove from oven and let cool slightly. Serve and enjoy!
    Did you make this recipe?Please leave a star rating or review in the form below, then snap a picture and tag me @theurbenlife on Instagram!
    TRIED THIS RECIPE? MENTION @THEURBENLIFE OR TAG #THEURBENLIFE!

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      โ€น โ€บ

      Spaghetti Squash Pizza Casserole is dairy-free, egg-free, gluten-free and vegan. This dinner casserole is low-carb, hearty, and healthy

      More Easy Dairy Free Recipes

      • Kale Crunch Salad
      • Dairy Free Beef Stroganoff
      • Barbacoa Street Tacos
      • Dairy Free Lasagna

      About Jenna Urben

      Jenna Urben is the recipe developer, content creator, and storyteller behind The Urben Life. She has over 10 years experience adapting family favorite meals to fit allergy-friendly diets. Join Jenna as she shares delicious dairy-free recipes that are easy to follow with plenty of tips and alternatives.

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      1. Amanda

        October 20, 2019 at 7:14 pm

        I've done something similar with gluten free pasta, but I really love the idea of the spaghetti squash. It is a great way to lighten up the meal. I'm glad to see that it reheats well, too. Perfect for my husband's lunches!

        Reply
        • Jenna | The Urben Life

          October 21, 2019 at 7:21 am

          Absolutely ๐Ÿ™‚ Let me know if you give it a try!

          Reply
      2. Kristen Wood

        October 10, 2019 at 11:39 am

        5 stars
        We have an abundance of spaghetti squash right now. I can't wait to give this a try!

        Reply
        • Jenna | The Urben Life

          October 10, 2019 at 1:27 pm

          Let me know what you think ๐Ÿ™‚ Enjoy!!

          Reply
      3. sunshine

        July 29, 2019 at 1:32 am

        5 stars
        Oh man! This look so delicious. Saving and pinning this post. I canโ€™t wait to try this. Thank so much for sharing.

        Reply
        • Jenna | The Urben Life

          August 06, 2019 at 6:01 pm

          Yay, can't wait for you to try it ๐Ÿ™‚

          Reply
      4. Monica Davis

        June 05, 2019 at 9:50 am

        This looks like a great dinner! I can't wait to try it!

        Reply
        • Jenna | The Urben Life

          June 05, 2019 at 5:05 pm

          Yay ๐Ÿ™‚ happy to hear that!! Enjoy!

          Reply
      5. Shams

        April 23, 2019 at 11:57 am

        5 stars
        Hi Jenna,
        wow, I never have seen anything like this!! Canโ€™t wait to try this recipe, I know my family will love it! If I don't use marinara sauce, is it test well?

        Reply
        • Jenna | The Urben Life

          April 23, 2019 at 3:05 pm

          Thanks so much for your comment! I have not tested it without marinara so I'm not sure how it will turn out. Could you try a pesto or other sauce? If you try it, please let me know how it goes.

          Reply
      6. Meghan & Melissa

        April 22, 2019 at 11:13 am

        This looks so good! I just made my first recipe using spaghetti squash the other day and it was delicious!

        Reply
        • Jenna | The Urben Life

          April 22, 2019 at 4:59 pm

          I absolutely love it!!

          Reply
      7. Erin Dee

        April 20, 2019 at 7:57 pm

        5 stars
        Love how easy this is to make! Looks so delicious!

        Reply
        • Jenna | The Urben Life

          April 22, 2019 at 4:58 pm

          Thanks so much, Erin ๐Ÿ™‚ I hope you try it soon!

          Reply
      8. Emily

        April 19, 2019 at 9:38 am

        I love spaghetti squash. This recipe looks delicious and easy! I love that it's gluten free -- it's a great low carb, gluten free alternative to pizza!

        Reply
        • Jenna | The Urben Life

          April 19, 2019 at 9:52 am

          Thanks so much ๐Ÿ™‚ I hope you try it!

          Reply
      9. Kelly Bolen

        April 18, 2019 at 7:38 am

        5 stars
        This looks so awesome! I think I will need to try it this weekend!!!!! =)

        Reply
        • Jenna | The Urben Life

          April 18, 2019 at 11:40 am

          I hope you do ๐Ÿ™‚

          Reply
      10. Denise

        April 18, 2019 at 6:08 am

        Oh yum, this looks like a great treat. We recently started a piscatarian diet and we are loving trying out different vegetarian dinner option, will save this for later. Thanks for sharing.

        Reply
        • Jenna | The Urben Life

          April 18, 2019 at 11:42 am

          Awesome ๐Ÿ™‚ You're welcome! Let me know what you think, enjoy!

          Reply
      11. Patricia @ Grab a Plate

        April 17, 2019 at 9:42 pm

        5 stars
        Oh, yum! I wish I had seen this a little earlier: my hubs and I caved and ordered pizza tonight - this would have hit the spot! Very nice!

        Reply
        • Jenna | The Urben Life

          April 18, 2019 at 11:44 am

          Aw shoot, next time ๐Ÿ™‚

          Reply
      12. Gemma

        April 17, 2019 at 8:01 pm

        Love spaghetti squash and the bonus is my kids love it too. I have them thinking it really is pasta, which they love. This looks like a recipe they would love.

        Reply
        • Jenna | The Urben Life

          April 18, 2019 at 11:45 am

          Yay!! I hope y'all love it!

          Reply
      13. celeste

        April 17, 2019 at 11:31 am

        What a fun twist to spaghetti squash. Looks so delicious. And a great way to sneak in your veggies

        Reply
        • Jenna | The Urben Life

          April 17, 2019 at 12:23 pm

          For sure ๐Ÿ™‚ Thanks for your comment!

          Reply
      14. Leigh Suznovich

        April 16, 2019 at 7:01 pm

        This looks sooo good, I love spaghetti squash!!

        Reply
        • Jenna | The Urben Life

          April 17, 2019 at 11:05 am

          Thanks ๐Ÿ™‚ I hope you try it soon!

          Reply
      15. Meredith

        April 16, 2019 at 6:46 pm

        This looks so tasty! My kids will actually eat spaghetti squash, so I'll be adding this to our dinner menus soon!

        Reply
        • Jenna | The Urben Life

          April 17, 2019 at 11:06 am

          Perfect ๐Ÿ™‚ Let me know what y'all think!

          Reply
      16. Anitra

        April 16, 2019 at 6:02 pm

        This looks amazing, and it's even better because its healthy! Definitely adding this to one of our new recipes to try!

        Reply
        • Jenna | The Urben Life

          April 16, 2019 at 6:16 pm

          So happy to hear that ๐Ÿ™‚ Enjoy!

          Reply
      17. Dreena Burton

        April 16, 2019 at 5:44 pm

        What a fun dish! People always ask me "what can I do with spaghetti squash?"... I think this is my new answer!

        Reply
        • Jenna | The Urben Life

          April 16, 2019 at 6:16 pm

          Woo, I'm thrilled to hear that ๐Ÿ™‚ Thanks!

          Reply
      18. candy

        April 16, 2019 at 3:12 pm

        The spaghetti squash pizza looks and sounds really delicious. Different from what we are use to eating.

        Reply
        • Jenna | The Urben Life

          April 16, 2019 at 3:43 pm

          Let me know what y'all think if you give it a try ๐Ÿ™‚

          Reply
      19. Paula @ I'm Busy Being Awesome

        April 16, 2019 at 11:49 am

        This sounds like a delicious recipe, I'll have to give it a try

        Reply
        • Jenna | The Urben Life

          April 16, 2019 at 12:20 pm

          Thanks Paula ๐Ÿ™‚ Let me know what you think!

          Reply
      20. Jenny

        April 16, 2019 at 10:53 am

        Yummy, this looks great! Im always looking for new spaghetti squash recipes!

        Reply
        • Jenna | The Urben Life

          April 16, 2019 at 12:20 pm

          Thanks Jenny ๐Ÿ™‚ I hope you love this one!!

          Reply
      21. Megan Mann

        April 16, 2019 at 10:13 am

        Oh, this is different! I'll have to test it out!

        Reply
        • Jenna | The Urben Life

          April 16, 2019 at 12:21 pm

          Hah thanks ๐Ÿ™‚ Enjoy!!

          Reply
      22. Jules Shepard

        April 16, 2019 at 9:26 am

        You post all the taco and pizza themed recipes you want! This looks delicious and I've just thought about making something with spaghetti squash so perfect timing! Great recipe!

        Reply
        • Jenna | The Urben Life

          April 16, 2019 at 12:21 pm

          Thanks for the encouragement ๐Ÿ˜€ Let me know what you think!

          Reply
      23. Nicole Kauffman

        April 16, 2019 at 7:55 am

        This looks awesome! How is vegan cheese? I'm lactose-intolerant and have struggled to find a good cheese replacement - especially one my husband will like!!

        Reply
        • Jenna | The Urben Life

          April 16, 2019 at 12:25 pm

          Thanks Nicole ๐Ÿ™‚ I'm lactose intolerant too. I've been trying different vegan cheeses for years. My favorites are Daiya Cutting Board, Go Veggie, and So Delicious. I like cheese alternatives but my husband isn't a fan so he just takes his meals without it.

          Reply
      24. Alexandra @ It's Not Complicated Recipes

        April 16, 2019 at 2:57 am

        5 stars
        Another amazing recipe, Jenna ๐Ÿ™‚
        This sounds SO good, and I love the idea of using spaghetti squash!

        Reply
        • Jenna | The Urben Life

          April 16, 2019 at 12:25 pm

          I really appreciate that ๐Ÿ™‚ Thanks so much!

          Reply
      25. Tatiana

        April 16, 2019 at 1:31 am

        I think I might actually be able to do this! My oldest daughter is a vegan, and I constantly struggle to find something I can make, something she can eat, and something the rest of the family would actually eat.

        Reply
        • Jenna | The Urben Life

          April 16, 2019 at 12:27 pm

          I hope y'all give it a try ๐Ÿ™‚ I love that the whole family can enjoy this together.

          Reply
      26. Kelly Bolen

        April 15, 2019 at 9:45 pm

        Can I get an AMEN? Spaghetti squash, cheese and marinara! Can't go wrong with that!!!!

        Reply
        • Jenna | The Urben Life

          April 16, 2019 at 12:27 pm

          WOOHOO!!!

          Reply
      27. Sara

        April 15, 2019 at 3:30 pm

        I donโ€™t have a lot of experience cooking with squash so I am always looking for new ideas. I also love pastas but the carbs are just killer!!

        Reply
        • Jenna | The Urben Life

          April 15, 2019 at 3:40 pm

          Check out this post for how to cook spaghetti squash super quick and easy ๐Ÿ™‚ https://theurbenlife.com/2017/05/13/how-to-cook-spaghetti-squash-in-the-oven/

          Reply
      28. Cayla

        April 15, 2019 at 1:38 pm

        Jenna, this recipe looks amazing! I am obsessed with pizza and love all casseroles and spaghetti squash, so I look forward to trying this recipe. Such a perk that it's healthy too!!

        Reply
        • Jenna | The Urben Life

          April 15, 2019 at 2:06 pm

          Thank you so much, I really appreciate your comment ๐Ÿ™‚ Be sure to let me know what you think!

          Reply
      29. Jordyn

        April 15, 2019 at 1:18 pm

        This look delicious! All the taste of pizza but only way healthier!

        Reply
        • Jenna | The Urben Life

          April 15, 2019 at 1:21 pm

          Heck yes ๐Ÿ™‚ Thanks so much, Jordyn! Let me know what you think if you try it

          Reply
      30. Courtney

        April 15, 2019 at 1:02 pm

        I love spaghetti squash! It's such a great way to get more veggies in.

        Reply
        • Jenna | The Urben Life

          April 15, 2019 at 1:21 pm

          Thanks, Courtney ๐Ÿ™‚ I hope you give it a try soon!

          Reply
      31. Kelli-Anne Harris

        April 15, 2019 at 12:09 pm

        Oh man! This look so delicious. Saving and pinning this post. I canโ€™t wait to try this. Thank so much for sharing.

        Reply
        • Jenna | The Urben Life

          April 15, 2019 at 12:38 pm

          So happy to hear that, Kelli-Anne ๐Ÿ™‚ Enjoy!

          Reply

      Trackbacks

      1. 30 Gluten Free Dairy Free Recipes for your Weeknight Dinners says:
        February 22, 2020 at 9:02 am

        […] 12. Vegan 6-ingredient Spaghetti Squash Pizza Casserole […]

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      2. The Best Healthy Vegan Casserole Recipes | Plant-Based Casseroles says:
        January 22, 2020 at 8:54 am

        […] 6-Ingredient Spaghetti Squash Pizza Casserole from The Urben Life […]

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