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    Home » Recipes » Beef » Million Dollar Spaghetti Squash

    Million Dollar Spaghetti Squash

    Published: Mar 15, 2018 · Modified: Apr 18, 2023 by Tonia Larson

    This post may contain affiliate links. Please read my disclosure policy.

    ↓ JUMP TO RECIPE ↓ JUMP TO VIDEO

    This Million Dollar Spaghetti Squash is a low carb recipe the whole family will love! This baked spaghetti squash casserole is pure comfort food full of flavor and cheesy goodness. No one will even miss the pasta!

    Casserole Dish of Million Dollar Spaghetti Squash

    I have a recipe from 2016 for million dollar spaghetti on my blog and it continues to be a favorite! Now that I love spaghetti squash I had to make a spaghetti squash version and it is just as delicious as the pasta recipe without all the carbs.

    meat sauce for million dollar spaghetti squash

    Brown the ground beef with the minced onions, seasoned salt, and black pepper. Drain the excess grease. Stir in the pasta sauce and set aside.

    alfredo sauce for million dollar spaghetti squash

    Bring the heavy cream, minced garlic, and black pepper to a simmer over medium heat. Add the cream cheese and butter. Stir in the shredded parmesan, one bit at a time, until smooth. Remove from heat and set aside.

    cooked spaghetti squash for million dollar spaghetti squash casserole

    Spread half of the spaghetti squash in a greased 9×9 pan.

    alfredo sauce layer in casserole dish for million dollar spaghetti squash

    Pour the alfredo sauce over the spaghetti squash.

    meat sauce in casserole dish for million dollar spaghetti squash

    Top with the remaining spaghetti squash and spread the meat sauce over it.

    million dollar spaghetti squash ready for in the oven

    Top with the shredded mozzarella cheese.

    million dollar spaghetti squash layers in pan

    Bake at 350°F degrees for 35-45 minutes until the mozzarella on top is golden and the sauce is bubbling.

    Casserole Dish of Million Dollar Spaghetti Squash

    Million Dollar Spaghetti Squash Recipe Tips:

      • Want to go meatless or save time? Skip the ground beef and just use pasta sauce.
      • Don’t want to use ground beef? Substitute with ground chicken.
      • Not in the mood to make homemade alfredo sauce? Use store bought. The better the quality (get the refrigerated sauce instead of the jarred) the better your million dollar spaghetti squash will turn out.
      • Want to lower the fat or calories? Choose lean ground beef and low-fat mozzarella cheese. For the alfredo sauce, purchase light alfredo sauce or make homemade using fat-free half-n-half, low-fat cream cheese, skip the butter (use more half-n-half if it needs to be thinned). BUT keep in mind that all of the substitutions will change the flavor and texture of the million dollar spaghetti squash.
      • Wondering how to make spaghetti squash? Here is my microwave spaghetti squash recipe and here is my recipe for how to make spaghetti squash in an instant pot.
      • How much spaghetti squash do you get from one cooked spaghetti squash? It depends on the size of the spaghetti squash. I’ve found that I typically get about 2 1/2 cups from the ones I buy.
      • Don’t like spaghetti squash? Use spaghetti noodles instead.
      • Need to feed more than 6 people? Double the recipe and make it in a 9×13 casserole dish.
      • Have leftovers? Cut the million dollar spaghetti squash into servings, put them in small individual containers, and place in the freezer for a quick meal for one.
    Casserole Dish of Million Dollar Spaghetti Squash

    Million Dollar Spaghetti Squash

    This Million Dollar Spaghetti Squash is a low carb recipe the whole family will love! This baked spaghetti squash casserole is pure comfort food full of flavor and cheesy goodness.
    4.56 from 27 votes
    ↑ Click stars to rate!
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    Prep Time: 15 minutes minutes
    Cook Time: 35 minutes minutes
    Total Time: 50 minutes minutes
    Servings: 6
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    Equipment

    T-Fal Fry Pan
    Calphalon Sauce Pan

    Ingredients

    • 2 1/2 cups cooked spaghetti squash
    • 1 cup shredded mozzarella cheese

    Meat Sauce

    • 1/2 lb ground beef
    • 2 teaspoon minced onion
    • 1/2 teaspoon seasoned salt
    • 1/8 teaspoon black pepper
    • 12 oz pasta sauce

    Alfredo Sauce

    • 1 cup heavy cream
    • 1 teaspoon minced garlic
    • 1/2 teaspoon black pepper
    • 2 oz cream cheese
    • 2 tablespoon butter
    • 1 1/2 cups shredded Parmesan cheese

    Instructions

    • Brown the ground beef with the minced onions, seasoned salt, and black pepper. Drain the excess grease. Stir in the pasta sauce and set aside.
    • Bring the heavy cream, minced garlic, and black pepper to a simmer over medium heat. Add the cream cheese and butter. Stir in the shredded parmesan, one bit at a time, until smooth. Remove from heat and set aside.
    • Spread half of the spaghetti squash in a greased 9x9 pan. Pour the alfredo sauce over the spaghetti squash. Top with the remaining spaghetti squash. Spread the meat sauce over the spaghetti squash. Top with the shredded mozzarella cheese. Bake at 350°F degrees for 35-45 minutes. 

    Video

    Nutrition

    Serving: 1serving | Calories: 476kcal | Carbohydrates: 8g | Protein: 22g | Fat: 40g | Saturated Fat: 23g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 12g | Trans Fat: 1g | Cholesterol: 123mg | Sodium: 1081mg | Potassium: 397mg | Fiber: 1g | Sugar: 5g | Vitamin A: 1431IU | Vitamin C: 5mg | Calcium: 450mg | Iron: 2mg
    Course: Dinner
    Cuisine: American
    Author: Tonia Larson

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    About Tonia Larson

    Hi! I’m Tonia, the owner and recipe creator at The Gunny Sack, where I’ve shared easy recipes for busy people for 12+ years! My family-friendly meals, easy side dishes, and delicious desserts include mouthwatering photos, dynamic videos, and step-by-step instructions to help you cook at home.

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    Comments

    1. Carri L says

      July 16, 2023 at 10:55 pm

      4 stars
      Most keto main dishes do NOT impress me. But this is a keeper! Even my husband loved it and thought it tasted like lasagna. I doubled the meat to 1 pound, used a ground beef pork combination, increased the spaghetti squash to about 3 1/2 cups and was generous with the mozzarella on top. NICE!

      Reply
    2. Karen M Micheletti says

      October 28, 2020 at 4:39 pm

      Don’t know what I did wrong. Very watery. It actually gagged me.

      Reply
    3. Chaz says

      April 14, 2020 at 9:47 am

      This is phenomenal! The second time I made it I used spicy sausage and that added a fun kick. Also, I broil for 5 minutes after the cooking time to crisp the cheese top. Thank you so much for sharing!

      Reply
    4. Janet says

      February 27, 2020 at 7:26 pm

      I’m just here to say I LOVE how you give so many options to change up the recipe!! So many bloggers seem offended if you want/need substitutes. You warn people it won’t be the same but you give so many great tips.

      Blog on!
      Janet

      Reply
    5. karen says

      December 27, 2019 at 3:27 pm

      5 stars
      HOLY MOLY! THIS IS AMAZING. I made it for xmas to keep on track with my low carb lifestyle. wow this is out of this world. I doubled everything except for the alfredo. I kept it at the regular amounts to save on calofies and to not make it too creamy. and it was amazing. It reminds me of a butternut squash lasagna from Giada delaurentis. Im going to blend basil into the sauce the next time and I bet it’ll taste just like it. so delish!

      Reply
    6. karen says

      December 27, 2019 at 3:27 pm

      5 stars
      HOLY MOLY! THIS IS AMAZING. I made it for xmas to keep on track with my low carb lifestyle. wow this is out of this world. I doubled everything except for the alfredo. I kept it at the regular amounts to save on calofies and to not make it too creamy. and it was amazing. It reminds me of a butternut squash lasagna from Giada delaurentis. Im going to blend basil into the sauce the next time and I bet it’ll taste just like it. so delish!

      Reply
    7. Yummy says

      January 22, 2019 at 6:04 pm

      We had no leftovers! Maybe next time I will double the recipe.

      Reply
    8. Erin says

      October 30, 2018 at 3:41 pm

      5 stars
      This is a great recipe. I used the vegetarian version and had this while my picky family ate regular lasagna. I did not feel left out! Loved the Alfredo sauce. This is a great recipe!

      Reply
      • Tonia says

        October 31, 2018 at 10:55 am

        That is fabulous! I’m happy to hear that you enjoyed it!

        Reply
    9. Erin says

      October 30, 2018 at 3:41 pm

      5 stars
      This is a great recipe. I used the vegetarian version and had this while my picky family ate regular lasagna. I did not feel left out! Loved the Alfredo sauce. This is a great recipe!

      Reply
    10. Kelsie says

      October 1, 2018 at 4:50 pm

      This might be a stupid question, but does the spaghetti squash need to be cooked before putting it into the 9×9 dish?

      Reply
      • Tonia says

        October 2, 2018 at 9:32 am

        Hi Kelsie!
        Yes, it does have to be cooked first. Spaghetti squash is hard and softens as it is cooked allowing you to get the “spaghetti” strands. You can find my instructions for how to cook spaghetti squash in the microwave here: https://www.thegunnysack.com/cook-spaghetti-squash-microwave/
        Happy cooking!
        ~Tonia

        Reply
    11. Deb says

      September 29, 2018 at 8:02 pm

      5 stars
      We loved this recipe!!! It’s going to be one of my go-to recipes from now on! The squash was so easy cooking in microwave.

      Reply
    12. Deb says

      September 29, 2018 at 8:02 pm

      5 stars
      We loved this recipe!!! It’s going to be one of my go-to recipes from now on! The squash was so easy cooking in microwave.

      Reply
    13. Kayleigh Duggan says

      August 2, 2018 at 8:47 am

      5 stars
      Oh. My Gosh.

      This is one of the top 3 favorite low carb recipes I have ever made. I added 1/2 lb. hot sausage and mushrooms to the meat sauce and used one diced onion in place of the minced onion and holy WOW this was just heavenly. Even my non-low carb family members scarfed it down!

      I already can’t wait to eat the leftovers for lunch today. THANK YOU Tonia for this now staple in my weekly dinner rotation!!

      Reply
    14. Kayleigh Duggan says

      August 2, 2018 at 8:47 am

      5 stars
      Oh. My Gosh.

      This is one of the top 3 favorite low carb recipes I have ever made. I added 1/2 lb. hot sausage and mushrooms to the meat sauce and used one diced onion in place of the minced onion and holy WOW this was just heavenly. Even my non-low carb family members scarfed it down!

      I already can’t wait to eat the leftovers for lunch today. THANK YOU Tonia for this now staple in my weekly dinner rotation!!

      Reply
    15. Hannah says

      July 30, 2018 at 9:04 pm

      How big is a serving size?

      Reply
    16. T says

      March 22, 2018 at 1:12 am

      5 stars
      This is the best EVERR!! Even my husband who typically won’t eat spaghetti squash absolutely loved it.

      Thanks Tonia!

      Reply
    17. T says

      March 22, 2018 at 1:12 am

      5 stars
      This is the best EVERR!! Even my husband who typically won’t eat spaghetti squash absolutely loved it.

      Thanks Tonia!

      Reply

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    Tonia Larson and Brian LarsonHi, We are Brian and Tonia Larson! We hope you enjoy our family-friendly meals, easy side dishes, and tasty desserts!
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