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Foodie Loves Fitness

Sharing my passion for living a healthy & happy life

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Mexican Spaghetti Squash Casserole

I received free samples of Cabot Cheese mentioned in this post. By posting this recipe I am entering a recipe contest sponsored by Cabot Cheese and am eligible to win prizes associated with the contest. I was not compensated for my time.

This healthy, veggie-packed spaghetti squash recipe features cheddar cheese, black beans, salsa & bell pepper! {vegetarian & gluten free}

Fall is upon us! To me, this means crisp weather, lots of football, falling leaves, Halloween, and of course, all of the yummy in-season foods. From my annual apple picking tradition to baking with pumpkin and cooking up lots of hearty soups, I thoroughly enjoy autumn food. And one of my favorite veggies that’s starting to be in peak season right now is spaghetti squash!

Spaghetti squash is a nutrient-rich veggie that’s a good source of fiber, vitamin C, manganese and vitamin B6. It’s mild in flavor and is great to combine with other veggies, cheese, and beans for a satisfying but light meal… which brings me to today’s spaghetti squash recipe!

This spaghetti squash recipe features ingredients often used in Mexican cuisine, including bell pepper, salsa, black beans, taco seasoning, red onion and chives… and of course, we can’t forget about the cheddar cheese! The Cabot cheddar cheese and black beans gives the dish a nice dose of protein – and not to mention, the cheddar makes the casserole nice and cheesy and more flavorful.

Since Cabot’s recipe contest is focused on creating budget friendly meals, I’d be remiss to not mention how cost effective this meal is. All of the ingredients cost around $14, so a serving of this spaghetti squash casserole comes down to just $2.40! I serve the dish with fresh bread, so if I add that into the mix and round up, this meal costs about 3 bucks a serving.

Not too shabby right? This spaghetti squash recipe offers fast food pricing with superfood benefits! One serving contains 5 grams of fiber, 41% DV of calcium, 12% DV of iron, 20% DV Vitamin A and 51% of Vitamin C.

Mexican Spaghetti Squash Casserole

Foodie Loves Fitness
5 from 4 votes
Print Recipe Pin Recipe
Prep Time 15 minutes mins
Cook Time 1 hour hr
Total Time 1 hour hr 15 minutes mins
Servings 6 servings
Calories 220 kcal

Ingredients
  

  • 1 large spaghetti squash
  • 1 1/2 cups shredded Cabot sharp cheddar cheese
  • 1 bell pepper pictured, I use 1/2 red and 1/2 green
  • 1-16 oz jar of salsa
  • 1-15 oz can black beans drained and rinsed
  • 1/4 red onion
  • 1 TBSP taco seasoning
  • 2 TBSP fresh chives
  • 1/4 TSP salt
  • 1/8 TSP ground pepper
  • Optional: fresh bread or tortilla chips for serving sour cream, guacamole, etc.

Instructions
 

  • Preheat oven to 350 degrees. Cut slits around the perimeter of the spaghetti squash, place on a plate, and pop it into the microwave until it becomes slightly tender (3-5 minutes depending on your microwave).
  • Slice the squash in half vertically and place it on a baking sheet.
  • Bake the squash for 30 minutes. Meanwhile, prepare the rest of the dish: Dice the bell pepper and red onion and place in a medium bowl. Add in 1 cup of the shredded cheese, the black beans, half of the salsa and half of the chives. Sprinkle in the taco seasoning, salt and pepper and mix to combine.
  • Once the spaghetti squash is tender, remove it from the oven to cool for a few minutes. Change the oven temperature to 375 degrees.
  • Spread the remaining half jar of salsa onto the bottom of a 13x9 baking dish.
  • Remove the seeds and slimy parts of the spaghetti squash. Comb the strands of one half of the squash out and transfer to the baking dish on top of the salsa.
  • Spoon half of the bean/veggie mixture on top of the spaghetti squash.
  • Comb the remaining spaghetti squash out and spread onto the baking dish. Spoon the rest of the bean mixture on top.
  • Spread the remaining cheddar cheese on top and sprinkle in the rest of the chives.
  • Cover the baking dish with foil and bake for 15 minutes.
  • Remove the foil and bake another 10 minutes, or until the cheese is lightly browned.
  • Serve the casserole with fresh bread or tortilla chips for dipping.

Notes

*1 serving also contains 41% DV of calcium, 12% DV of iron, 390 mg potassium, 20% DV Vitamin A and 51% of Vitamin C.*

Nutrition

Serving: 1gCalories: 220kcalCarbohydrates: 17gProtein: 12gFat: 12gSaturated Fat: 6gFiber: 5gSugar: 5g
Tried this recipe?Let us know how it was!

 

Tell me.. What autumn food are you most excited about? Do you cook with spaghetti squash often?

Spread the love

September 16, 2020 8:23 am foodielovesfitness 14 Comments Filed Under: Recipes

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Comments

  1. Deborah Brooks says

    September 17, 2020 at 2:23 pm

    5 stars
    Super yum! I make a similar dish but love your addition of salsa. The more cheese the better for me as well and Cabot is always a great choice

    Reply
    • foodielovesfitness says

      October 17, 2020 at 11:43 am

      Oh yes, I add salsa to so many dishes like this.. it’s just a nice low calorie way to add flavor!

      Reply
  2. Ali says

    September 17, 2020 at 2:53 pm

    I’ve been kind of intimidated by spaghetti squash but you make it sound easy. I need to try this recipe!

    Reply
    • foodielovesfitness says

      October 17, 2020 at 11:42 am

      No need to fear – spaghetti squash is not all that scary to cook with, just follow my directions & you’ll become a spaghetti squash fan 🙂

      Reply
  3. David @ Spiced says

    September 18, 2020 at 5:14 am

    What a fun way to use spaghetti squash! We love taco flavors around here, and this casserole is packed with all kinds of good stuff. Of course, the Cabot cheddar makes everything better. Now the challenge is to make sure I keep a block of it around to make this recipe. It sounds like a great budget-friendly Autumn recipe!

    Reply
    • foodielovesfitness says

      October 17, 2020 at 11:41 am

      I know what you mean – cheese disappears fast in my house, especially now that my 1 year old lovesss cheese!

      Reply
  4. marcie says

    September 19, 2020 at 9:22 am

    5 stars
    It’s so nice when a healthy meal can feel indulgent, and that’s exactly how I would feel eating this! The cheesy goodness is the perfect way to finish off this delicious casserole…I love spaghetti squash too!

    Reply
    • foodielovesfitness says

      October 17, 2020 at 11:41 am

      Exactly – light yet satisfying!!

      Reply
  5. Ashley@CookNourishBliss says

    September 19, 2020 at 9:42 am

    We looooove spaghetti squash and yet it’s been SO long since I’ve used it! This looks fantastic!!

    Reply
    • foodielovesfitness says

      October 17, 2020 at 11:40 am

      Thanks, Ashley! I need to nab another spaghetti squash the next time I hit the grocery store. It’s such a great fall squash!

      Reply
  6. SueskiNH says

    March 9, 2025 at 1:31 pm

    5 stars
    This is a wonderful recipe as an alternative to my usual Italian flavored spaghetti squash casserole. I bake my spaghetti squash differently (cut in half and clean seeds out, spray cut sides with olive oil, and bake cut side down on a foil covered/parchment lined cookie sheet until you can easily poke it with a fork). Then I let it cool for 1/2 hour and use a fork to shred the spaghetti.

    The salsa I use is Willy’s sweet and spicy, and I brown a 1/2 lb. of ground turkey or chicken separately to mix in with the veggies and salsa because my gang like some meat. I use a 7.5″ x 9.5″ deep baking pan to assemble the casserole as directed, with a little extra cheese on the first layer and top – then cover and cook at 375 for about 15-20 min, then uncover and cook for another 20-30 minutes until really bubbly and brown on top. I use the longer times if it is premade and cooled before baking.

    I serve with sliced avocado and sour cream, alongside homemade corn muffins and sometimes a simple salad.

    Reply
    • foodielovesfitness says

      March 10, 2025 at 5:46 pm

      Love how you’ve customized the recipe to your liking! Sounds great to me 🙂

      Reply
  7. Rose says

    December 5, 2025 at 8:59 pm

    5 stars
    Hi I made mine with ground beef and veal mixed , peppers , onions , fresh tomatoes, salsa , garlic powder, pepper , taco seasoning , poured creamy cheese in the mix. Put cheddar cheese cubes mixed in before baking and sprinkles 3 cheeses on top when fully heated. Served this with Cuban bread buttered and garden salad. Delicious 😋

    Reply
    • foodielovesfitness says

      December 19, 2025 at 10:28 am

      Glad you customized the recipe to your preferences!

      Reply

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I'm Nicole, and I’m passionate about all things food, fitness and healthy living. I'm a toddler mom, certified health coach, freelance writer, and long-time health nut. Here I share my vegetarian recipes, workouts, fitness trends, travel adventures, and motherhood & health musings. Read more about me…

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