21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (2024)

21 Day Fix Spaghetti Squash Casserole Recipe

Being on the 21 Day Fix, I wanted to create some of my own comforting recipes that fit within those parameters. So I created a 21 Day Fix spaghetti squash casserole recipe! If you’ve never had spaghetti squash before, you’re in for a treat! On the outside, it kind of looks like a more round, hard version of a yellow squash. On the inside, the seeds and strings are much like a pumpkin’s. Once you remove the seeds and membrane, you can scrape the sides with a fork, and out come delicious strings that when cooked to perfection have the texture of angel hair pasta, but with an even more incredibly rich flavor.

I decided to celebrate the movie’s release by creating a spaghetti squash casserole recipe, that you can bake right in the squash! And as always, it is using all-natural ingredients, has 21 Day Fix container counts, AND includes an option to make it vegetarian.

Ingredients

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (1)

The ingredients listed below are for two people:

  • 1 large spaghetti squash
  • 1/3 cup chopped red onion
  • 2 whisked eggs
  • 1 tsp dried basil
  • 4 cloves garlic, minced
  • 1 8 oz can of unsalted tomato sauce
  • Either 8 oz of meat crumbles, or if doing vegetarian option 1/2 of a 16 oz package of frozen meatless crumbles
  • 1/2 cup Shredded Mozzarella cheese to top

21 Day Fix Container Counts: 1 red, 1 blue, 1.5 green, 1/3 purple.

I am vegetarian, however my husband isn’t, so instead of making two batches of casserole I made the whole batch with vegetarian meat. When baked in a casserole with other ingredients, you can’t really taste the difference!

Preparation

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (2)

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (3)

Your first step is to cut your spaghetti squash in half lengthwise. The easiest way I’ve found to do this is to get a large serrated chopping knife, and stick the tip straight down in the center of the squash (pictured above) to create an opening. Then, lower down the knife as you move it back and forth, as if you’re sawing it in half.

Next, you’ll remove the membrane and seeds of the squash, so that it is hollow. Sometimes the membrane can be pretty slippery and stubborn to remove, so I recommend using a fork and pair of kitchen scissors, and use them to remove the membrane much in the same way you would trim hair:

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (4)

Now it’s time to get those yummy spaghetti squash strings removed! First you’ll need to soften the squash to remove the strings more easily. Put your squash in the microwave for 5-10 minutes, checking at 5 minutes to see if you can easily scrape the strings out using a fork. Put in for additional microwave cooking time if needed. Once softened, scrape the insides out of the squash, leaving some wall room since you’ll be baking your casserole inside your squash.

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (5)

Place your strings you removed on a microwave safe plate, and microwave for 3 minutes.

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (6)

Now it’s time prepare the rest of our casserole ingredients! Go ahead and chop your 1/3 cup red onion, mince your four cloves of garlic, and measure out your 1 tsp of dried basil. Preheat your oven to 425 degrees F.

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (7)

In a large pan, heat 1 T of oil on high heat. Cook your meat or veggie meat in your pan for about 5 minutes, then add in your garlic, basil, onion, and the spaghetti squash strings you microwaved. Lower heat to medium, and cook an additional 5 minutes, stirring occasionally.

Next, add in your two whisked eggs, stirring while you add them into your pan. Then you’ll want to add in an 8 oz can of tomato sauce, stirring well. Cook for an additional 2-3 minutes, or however long your meat takes to be fully cooked, stirring frequently.

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (9)

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (10)

Now that you’re done making the inside of your casserole, it’s time to bake it! Scoop the mixture you made into each of your squash halves, packing tightly. Top each side with 1/4 cup Mozzarella cheese.

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (11)

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (12)

Put on a pan or cookie sheet, and put into the oven to bake for 40 minutes.

Serve

You can now eat and enjoy, and feel free to scrape the bottom of your squash even more when you’ve reached the end of your meal!

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (13)

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse (14)

This is one of my favorite meals I’ve created, and the perfect blend of health and comfort food! If you have any leftover casserole filling that didn’t fit into your squash, a great use of them is to put on a hamburger bun and eat them as a sloppy joe for a future meal.

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FAQs

21 Day Fix Spaghetti Squash Casserole Recipe - The Healthy Mouse? ›

Registered dietitian Jennifer Neale notes that spaghetti squash contains moderate amounts of vitamin C and carotenoids—both of which have anti-inflammatory benefits. Though spaghetti squash doesn't quite stack up against nutritional powerhouses like kale or berries, its versatility is nearly unmatched.

Is spaghetti squash good for inflammation? ›

Registered dietitian Jennifer Neale notes that spaghetti squash contains moderate amounts of vitamin C and carotenoids—both of which have anti-inflammatory benefits. Though spaghetti squash doesn't quite stack up against nutritional powerhouses like kale or berries, its versatility is nearly unmatched.

Why is my baked spaghetti squash watery? ›

I find that adding too much oil and too much salt at this stage makes the squash a bit watery, so a light drizzle and a light sprinkle will do. Then, poke a few holes in the skin of the squash with a fork and place it cut side down on a baking sheet. Pop it in a pre-heated 400°F oven.

Why do people eat spaghetti squash? ›

Spaghetti squash is a low-calorie food. Its fiber content makes it filling. Since people use it as a substitute for high-calorie foods, it can be a valuable part of a weight-control regimen. Maintaining a healthy weight can improve many conditions, including diabetes and heart disease.

When should you not eat spaghetti squash? ›

That's a long time, but it would be a mistake to use spaghetti squash once it's started going bad. Some small unsavory spots can be cut away, but you'll want to toss the squash if it feels mushy, soft, or hollow.

Is spaghetti squash good for arthritis? ›

Anti-inflammatory properties: The powerful omega-6 and omega-3 fatty acids inside spaghetti squash can cut down on systemic and chronic inflammation, which can reduce symptoms of arthritis.

How to avoid watery spaghetti squash? ›

Even when cooked or roasted, a significant amount of the squash is still water content. My adding it into the sauce and heating it even more, you are encouraging it to release liquid as it cooks more. Fork shred it to "noodle" form, then top it with the sauce, instead of adding it into the sauce and cooking it more.

How do you keep squash casserole from getting watery? ›

Salting and sautéing the squash before baking helps to remove excess moisture and prevents the casserole from becoming watery. Cream cheese and sour cream lend the filling richness and tang.

Is spaghetti squash healthy? ›

Spaghetti squash is a winter vegetable rich in vitamins, minerals, and antioxidants. Due to its low calorie content and high fiber content, it may aid weight loss and digestive health. Try roasted spaghetti squash as a low carb alternative to pasta, combined with veggies, protein, whole grains, and healthy fats.

What happens if you don't poke holes in a spaghetti squash? ›

1. Poke holes into the outside of the gourd. Use a fork or knife to poke at least eight holes in the gourd. This allows steam to escape from the spaghetti squash when it's cooking and will prevent any explosions in the microwave.

Can dogs eat spaghetti squash? ›

Yes! Spaghetti squash is healthy for your dog and is rich in vitamin A, vitamin C, fiber, and potassium. These vitamins and minerals support the health of your dog's vision, immune system, colon, muscles, and more. Squash also helps kidney function and can decrease your dog's chances of heart failure.

Can I eat spaghetti squash raw? ›

As a certified executive chef, Tiner says the short answer is simple: Yes, you can. "You can eat raw squash, however, the taste may not be to everyone's liking," Tiner notes. "Squash contains a toxin known as Cucurbitacin E, which can give the squash a bitter taste.

What did spaghetti squash used to be called? ›

In 1934, the Sakata Seed Company in Japan developed an improved variety and was the first to market the Spaghetti squash under the name Somen Nankin commercially. W. Atlee Burpee and Co. then brought the squash to North America in 1936 and sold seeds in their catalog under the name Vegetable spaghetti.

Can I eat spaghetti squash every day? ›

According to Czerwony, the only real downside of the spaghetti squash is if you have an allergy. “Unless you have an allergy, it's high in fiber and essential vitamins while being low in calories and carbs,” she says.

Can diabetics eat spaghetti squash? ›

Yes, people living with diabetes can eat spaghetti squash as it is a low-carbohydrate and low-glycemic index vegetable. It can be a healthy substitute for pasta in their diet.

Which squash is anti-inflammatory? ›

Butternut Squash's high antioxidant content may have anti-inflammatory benefits, helping to reduce your risk of inflammation-related disorders like rheumatoid arthritis.

Can you eat squash on anti-inflammatory diet? ›

Anti-inflammatory Capacity

Although anti-inflammatory effects can certainly extend to arthritis and gout, studies on squash have specifically linked its impact to reducing gastric and duodenal ulcer reduction, as well as to general anti-inflammation of the cardiovascularsystem.

What part of the body is spaghetti squash good for? ›

Spaghetti squash is an excellent source of fiber. A 1-cup (155-gram) serving packs 2.2 grams — 8% of your daily fiber needs ( 1 ). Upping your fiber intake may benefit several aspects of digestive health.

What vegetable gets rid of inflammation? ›

Your body metabolizes omega-3s into compounds that fight inflammation and keep cholesterol in check. Broccoli: Cruciferous vegetables such as broccoli, cauliflower, Brussels sprouts, cabbage, arugula and kale are rich in sulforaphane, an antioxidant that helps decrease inflammation.

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