Meal Prep Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. 
Serving Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. Spaghetti Squash Bolognese
Roasted spaghetti squash stands in for pasta, twirled with a slow-simmered meat sauce fragrant with red wine, tomatoes, and herbs — hearty comfort without the carbs.
Contains common allergens
In the app, Listahan checks these against your household automatically.
Good to know
- Ready in under 30 minutes
Matched from this dish's own ingredients and timing. Browse more: 30-minute meals
Instructions
7 steps- 1
Preheat the oven to 400°F and line a baking sheet with parchment paper.
- 2
Halve the spaghetti squash lengthwise, scoop out the seeds, brush the cut sides with 1 teaspoon olive oil, and place cut-side down on the sheet.
- 3
Roast for 35-40 minutes until the squash yields to a fork; cool 5 minutes, then scrape into strands.
- 4
While the squash roasts, heat the remaining olive oil in a skillet over medium-high heat and brown the ground beef, breaking it up well.
- 5
Add the onion and cook 3 minutes, then stir in the garlic and tomato paste for 1 minute.
- 6
Add the marinara sauce, Italian seasoning, salt, and pepper; simmer 10 minutes until the sauce thickens and coats the beef.
- 7
Divide squash strands among containers, spoon bolognese over top, and finish with Parmesan if using.
Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. Listahan Family Score™
75/100
Good fit for most families
Score reflects how well this recipe fits a typical busy household. In the app, your Family Score is personalized to your household's allergens, kids, and pantry.
Nutrition
per serving425
Calories
34 g
Protein
31 g
Carbs
18 g
Fat
Estimated per serving. Actual values depend on the brands and portions you use.
Listahan cooking guide
Chef notes & practical guide
Technique notes, ingredient swaps, serve-alongside ideas, storage guidance, and equipment for this recipe.
Cultural context
This dish swaps the pasta in a classic Italian ragu alla bolognese for roasted spaghetti squash, whose flesh pulls apart into noodle-like strands. The bolognese itself descends from the slow-cooked meat sauces of Bologna, traditionally built on a soffritto of onion, carrot, and celery simmered low and long. The squash version is a modern North American low-carb adaptation that keeps the sauce honest while lightening the base.
Listahan note
This version keeps the squash and sauce stored separately so the strands never turn watery, then lets you assemble a bowl in seconds at lunchtime.
Technique cues
- Roast the squash cut-side down until a knife slides in easily, then let it cool a few minutes so the strands separate cleanly instead of mashing.
- Build the bolognese on a slow-sweated soffritto of onion, carrot, and celery, which is where the sauce gets its background sweetness.
- Simmer the sauce uncovered long enough to lose its watery edge, because spaghetti squash releases moisture and a loose sauce turns the bowl soupy.
Kitchen flow
- Parallel prep
- Roast the squash on one rack while the bolognese simmers on the stove so both finish at the same time.
- Make-ahead
- Both the squash and the sauce can be made up to four days ahead and stored in separate containers.
- Leftover move
- Use extra bolognese over real pasta, baked into a quick lasagna, or spooned onto toast with cheese.
- Cleanup rhythm
- Line the squash sheet pan with parchment, and let the sauce pot soak while you fork the strands into containers.
Ingredient brief
Role, handling, and swap guidance for each key ingredient.
spaghetti squash
noodle replacement
Purpose: Its roasted flesh separates into tender strands that catch sauce like pasta while staying low-carb.
Handling: Halve, scoop the seeds, and roast cut-side down, then rake into strands with a fork.
Adaptation: Zucchini noodles or actual spaghetti both work if low-carb is not the goal.
ground beef
main protein
Purpose: It gives the ragu its meaty body and richness as it browns and simmers.
Handling: Brown well and break into small crumbles so every forkful gets meat.
Adaptation: Ground turkey, pork, or a lentil-mushroom mix all stand in cleanly.
onion, carrot, and celery
soffritto base
Purpose: This aromatic trio is the flavor foundation that makes a bolognese taste slow-cooked.
Handling: Dice fine and sweat in oil until soft and sweet before the meat goes in.
Adaptation: A bag of mirepoix mix saves chopping time for batch cooking.
crushed tomatoes
sauce body
Purpose: They provide the acidity and volume that turn browned meat into a sauce.
Handling: Add after the meat browns and simmer until thickened.
Adaptation: Tomato passata or a can of whole tomatoes crushed by hand work equally well.
garlic
aromatic accent
Purpose: It sharpens the savory base and rounds out the tomato.
Handling: Mince and add after the soffritto softens so it does not scorch.
Adaptation: Granulated garlic in a pinch, added with the tomatoes.
Parmesan rind or grated Parmesan
umami finish
Purpose: It adds salty depth that makes the sauce taste long-simmered.
Handling: Drop a rind in while simmering or grate fresh over each bowl.
Adaptation: Nutritional yeast gives a dairy-free savory hit.
Technique notes
- A splash of milk or cream stirred into the simmering meat is the traditional bolognese move that mellows the tomato's edge.
- Store the squash strands undressed and add sauce only when reheating, which keeps the texture firm rather than soggy.
- A small pour of red wine deglazes the browned meat fond and adds depth that survives several days in the fridge.
Ingredient swaps
- Vegetarian direction
- Replace the beef with finely chopped mushrooms and brown lentils for a hearty meatless ragu.
- Dairy-free option
- Skip the Parmesan and finish with nutritional yeast plus a drizzle of olive oil.
- Lower-sodium direction
- Use no-salt-added tomatoes and lean on the Parmesan rind and herbs for savor instead of added salt.
Serve alongside
- Garlic-rubbed crostini
- Simple arugula salad with lemon
- Roasted green beans
- Caprese skewers
- Chianti or a dry red
- Sparkling water with lemon
- Iced unsweetened tea
Serving suggestions only — check pairings for your household's allergens.
Storage & reheating
- Store the squash and sauce separately in the fridge for up to four days to keep the strands firm. Reheat the sauce on the stove and warm the squash briefly, then combine just before eating. The bolognese freezes for up to three months; the squash is best fresh.
Equipment
- Sheet pan for roasting the squash
- Heavy pot or deep skillet for the sauce
- Sturdy fork for raking strands
- Airtight meal-prep containers
Make this household-aware
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