Spaghetti Squash with Tomato Sauce Whole 30 Freezer Meal Recipe

Prep Time 5 minutes
Cook Time 3 hours
While twirling your fork through a plate of succulent spaghetti squash strands coated in a vibrant tomato sauce, you'll rejoice from the flavor and ease this recipe gives you. It's packed with flavor, requires minimal effort, and checks all the Whole 30 boxes.
Gluten FreeVegetarian

Looking for a quick and convenient meal solution that’s not only nutritious but also flavorful? Look no further than our Spaghetti Squash with Tomato Sauce, a Whole 30 freezer meal, a delightful dinner tailor-made for those hectic days when your craving for made-from-scratch flavor competes with your busy schedule. Whether you’re a parent seeking sanity-saving dinner options or a compassionate friend looking to help others, this dish is your new BFF.

While twirling your fork through a plate of succulent spaghetti squash strands coated in a vibrant tomato sauce, you’ll rejoice from the flavor and ease this recipe gives you. It’s packed with flavor, requires minimal effort, and checks all the Whole 30 boxes. 

Join us as we walk you through the simple steps to prepare our Spaghetti Squash with Tomato Sauce. We’ll share our secrets for transforming a made-ahead freezer meal into a culinary experience your family and friends will request time and time again! Are you ready? Let’s get to it! 

Why You’ll Love this Easy Spaghetti Squash with Tomato Sauce Freezer Meal

  • Low Cleanup: Less to wash means more time for family!
  • Nutrient-Rich: A low-carb, nutrient-packed alternative to traditional pasta, spaghetti squash keeps everyone well-fed and satisfied.
  • Zero Stress: A wholesome, tasty meal without the hours of preparation reduces the stress of planning and preparing dinner.
  • Kid-Approved: Fun to prepare, and delicious to eat. This recipe is kid approved in many forms.
Spaghetti Squash with Tomato Sauce Whole 30 Freezer Meal Recipe
While twirling your fork through a plate of succulent spaghetti squash strands coated in a vibrant tomato sauce, you'll rejoice from the flavor and ease this recipe gives you. It's packed with flavor, requires minimal effort, and checks all the Whole 30 boxes.
Prep Time 5 minutes
Cook Time 3 hours
Course Main Course
Cuisine American
Servings 4
Equipment
  • 1 gallon freezer bag
  • 1 Slow Cooker
  • 1 Baking Sheet
Ingredients
  
  • 1 cup Yellow onion diced
  • 29 oz Diced tomatoes 2 x 14.5 oz cans
  • 6 oz Tomato paste
  • 2 Bay leaves
  • 2 tsp Salt
  • 1/2 tsp Black pepper
  • 1 tsp Italian seasoning
  • 2 tbsp Olive oil
  • 2 tsp Dried basil
  • 3 tsp Garlic powder
Day of Cooking:
  • 1 Spaghetti squash
  • 1 Bunch fresh basil
  • 1/4 cup Fresh Italian parsley(garnish)
Instructions
 
Prep | Freezer Directions
  • Prepare a gallon freezer bag, labeling according to your preferred method.
  • Add all ingredients, except spaghetti squash, fresh basil, and Italian parsley, to the freezer bag.
  • Store in the freezer for up to three months.
Slow Cooker | Cooking Directions
  • Thaw in the fridge for 12-24 hours before cooking
  • Add the contents of the freezer bag to a slow cooker.
  • Cook on low for 3-4 hours.
  • During the last hour of cook time, halve the spaghetti squash and season it with olive oil, salt, and pepper.
  • Cook at 400°F for 30-40 minutes. Let cool to touch, then use a fork to fluff out spaghetti squash noodles while still warm.
  • Stir fresh basil into the tomato sauce, and serve over spaghetti squash. Garnish with fresh Italian parsley.
Keyword easy freezer meals for new moms, Vegan Freezer Meals, Vegetarian Freezer Meals, Whole 30 Freezer Meal
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Equipment Needed to Make Spaghetti Squash with Tomato

  • 1 gallon freezer bag
  • 1 Slow Cooker
  • 1 Baking Sheet

Ingredients for your Spaghetti Squash with Tomato Sauce Whole 30 Recipe

  • 1 cup Yellow onion, diced
  • 29 oz Diced tomatoes, 2 x 14.5 oz cans
  • 6 oz Tomato paste
  • 2 Bay leaves
  • 2 tsp Salt
  • 1/2 tsp Black pepper
  • 1 tsp Italian seasoning
  • 2 tbsp Olive oil
  • 2 tsp Dried basil
  • 3 tsp Garlic powder
  • Day of Cooking:
  • 1 Spaghetti squash
  • 1 Bunch fresh basil
  • 1/4 cup Fresh Italian parsley, (garnish)

How to Make Spaghetti Squash with Tomato Sauce Whole 30 Recipe

Prep | Freezer Directions

  1. Prepare a gallon freezer bag, labeling according to your preferred method.
  2. Add all ingredients, except spaghetti squash, fresh basil, and Italian parsley, to the freezer bag.
  3. Store in the freezer for up to three months.

Slow Cooker | Cooking Directions

  1. Thaw in the fridge for 12-24 hours before cooking
  2. Add the contents of the freezer bag to a slow cooker.
  3. Cook on low for 3-4 hours.
  4. During the last hour of cook time, halve the spaghetti squash and season it with olive oil, salt, and pepper.
  5. Cook at 400°F for 30-40 minutes. Let cool to touch, then use a fork to fluff out spaghetti squash noodles while still warm.
  6. Stir fresh basil into the tomato sauce, and serve over spaghetti squash. Garnish with fresh Italian parsley.

What to Pair with your Healthy Spaghetti Squash!

Sides:

Desserts:

Mocktails:

Popular Substitutions and Additions

Substitutions:

  • Onion: For a stronger onion flavor, replace the yellow onion with shallots. To decrease onion flavor, swap the yellow onion for sweet onion.

Additions:

  • Thyme: Adding thyme will compliment the flavor profile of this tasty recipe.
  • Chopped Spinach: To increase nutrients, stir in chopped, fresh spinach before stirring in the fresh basil.

How to Reheat and Store Spaghetti Squash with Tomato Sauce

Best way to store Easy Tomato Sauce and Spaghetti Squash recipe?

The best way to store this leftover Spaghetti squash recipe is to allow the recipe to cool to room temperature. Once cooled, place leftover spaghetti in a airtight container, and place in the fridge immediately.

How long will Spaghetti Squash with Tomato Sauce leftovers last in the fridge?

Following the proper cooling methods and using the correct storage devices, your leftover spaghetti will remain fresh for three to five days in the fridge. Always perform a spoilage check before reheating!

How to Reheat leftover Spaghetti Squash and Tomato Sauce?

We recommend freezing before preparation and generally advise against freezing leftovers. That second go just isn’t the same! However, if you need or want to freeze leftovers, you can do so safely.

If you are looking to prepare this recipe as a raw freezer meal, label a gallon freezer bag with instructions and recipe name, then add all the ingredients, except spaghetti squash, fresh basil, and Italian parsley, to the freezer bag. Seal and store in the freezer for up to three months.

How to Reheat convenient Spaghetti Squash leftovers?

This recipe reheats well on the stovetop or in the microwave. To reheat on the stovetop, give the skillet a splash of broth or water to prevent sticking, then place desired amount of leftovers in a skillet. Heat over medium heat, stirring occasionally, until your leftovers are heated through.

If you want to use the microwave, use a safe-plate, and place the amount of leftovers in the microwave. Heat in short bursts of 30-45 seconds, stirring occasionally to ensure even heating throughout the dish.

Make Ahead Spaghetti Squash with Tomato Sauce FAQs

Other Pasta Dishes You’ll Love

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    Hi! I'm Hannah

    As a full time working mom of four, I know how hard it is to find time (or energy) to cook. That’s why I’ve spent over a decade perfecting freezer meal recipes to make sure they’re not only quick to prepare but packed with flavors the whole family will love!

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