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A shallow dish of golden spaghetti squash gratin, with pale-yellow squash strands bound in a creamy mixture and topped with a lightly browned, bubbling layer of cheese.
●Low GI

Spaghetti squash gratin Calories

Baked spaghetti squash casserole with cheese

In season: Autumn · Winter

CALORIES · 100 G

118kcal

GI

35low

POTASSIUM · 100 G

210mg

FIBER · 100 G

1.8g

Quick answer

1 serving (medium) of Spaghetti squash gratin (180 g) has 212 calories. That works out to 118 calories per 100 g. It contains 15.5 g of carbs, 9.4 g of protein, 13.3 g of fat and 3.2 g of fiber. Its 324 µg of Vitamin A covers 36% of the Daily Value. Its glycemic index is 35 (low), so it raises blood sugar slowly.

Spaghetti squash gratin Nutrition Facts

Selected: 1 serving (medium) · 180 g

212

KCAL / 180G

Carbs

15.5g

· 6% DV

Protein

9.4g

· 19% DV

Fat

13.3g

· 17% DV

Fiber

3.2g

· 11% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 28% · Protein 17% · Fat 55%

Spaghetti squash gratin nutrition facts table · 1 serving (medium) (180 g)

NutrientAmount% DV
Calories212 kcal
Total fat13.3 g17%
Saturated fat5.58 g28%
Trans fat0.18 g
Sodium432 mg19%
Total carbohydrate15.5 g6%
Fiber3.2 g11%
Protein9.4 g19%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Serving of Spaghetti squash gratin?

ServingAmountCalories
1 serving (medium)180 g212 kcal
1 ounce (mini)28 g33 kcal
1 serving (small)90 g106 kcal
100 g100 g118 kcal
1 cup (shredded)160 g189 kcal
1 cup (grated)220 g260 kcal
1 serving (large)260 g307 kcal
1 piece (half)320 g378 kcal
1 piece (whole)640 g755 kcal

Calculated from 118 calories per 100 g.

Frequently Asked Questions About Spaghetti squash gratin

How do you cook spaghetti squash for spaghetti squash gratin?

Roast or otherwise cook the squash until its flesh is tender, then rake it into strands with a fork. Drain the strands before adding the cheese mixture; removing excess moisture helps the gratin bake up rather than turn watery.

Can you make spaghetti squash gratin without boiling the squash?

Yes, you can roast the squash instead of boiling it for spaghetti squash gratin. Roasting the halves cut-side down softens the flesh without immersing it in water, and the cooked strands still need draining before baking.

Why does spaghetti squash gratin get watery?

Spaghetti squash gratin gets watery when moisture from the cooked squash collects in the baking dish. Let the strands drain well after cooking and avoid adding them while they are still releasing liquid.

Do you remove the spaghetti squash skin for spaghetti squash gratin?

Yes, remove the flesh from the skin before assembling spaghetti squash gratin. Once the squash is cooked, scrape out the strands with a fork and discard the tough rind; it is not usually mixed into the casserole.

What cheese is best for spaghetti squash gratin?

A cheese that melts well and browns on top works best for spaghetti squash gratin. Cheddar, mozzarella, or Gruyère are common options; combining a melting cheese with a little Parmesan adds a more savory crust.

Can you prepare spaghetti squash gratin ahead of time?

Yes, assemble spaghetti squash gratin ahead and refrigerate it covered before baking. Drain the squash thoroughly first, since it may release more liquid as it sits, then bake until hot and browned on top.

Can you freeze spaghetti squash gratin?

Yes, spaghetti squash gratin can be frozen, though the squash may soften and release water when thawed. Cool it completely, freeze it in an airtight container, and drain any excess liquid after thawing before reheating.

How do you reheat leftover spaghetti squash gratin?

Reheat leftover spaghetti squash gratin in the oven until it is hot throughout; this helps the top regain some crispness. A microwave works for a quick portion, but the texture will be softer.

What should you serve with spaghetti squash gratin?

Serve spaghetti squash gratin with a crisp green salad, roasted vegetables, or grilled meat. Because the gratin is rich and cheesy, a fresh, lightly dressed side helps balance the meal.

Can you add meat to spaghetti squash gratin?

Yes, cooked chicken, bacon, or browned sausage can be added to spaghetti squash gratin for a heartier casserole. Cook the meat first and drain excess fat so it does not make the filling greasy.

Spaghetti squash gratin Vitamins & Minerals

Vitamins

Vitamin A

324µg · 36% DV

B12

0.5µg · 21% DV

B2

0.22mg · 17% DV

Biotin

3.78µg · 13% DV

Minerals

Phosphorus

202mg · 29% DV

Calcium

212mg · 21% DV

Sodium

432mg · 19% DV

Selenium

8.64µg · 16% DV

Potassium ⭐

378mg · 11% DV

Spaghetti squash gratin Glycemic Index

GLYCEMIC INDEX

35
Low
0 Low5570100

GLYCEMIC LOAD

5.4
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Spaghetti squash gratin

To burn the 212 calories in 1 serving (medium) (180 g):

🚶

52min

Walking (5 km/h)

🏃

22min

Running (8 km/h)

🚴

29min

Cycling

🏊

25min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Spaghetti squash gratin?

Spaghetti squash gratin combines cooked spaghetti squash—whose flesh separates into noodle-like strands—with cheese, then bakes it until the top is golden. It brings a French-style gratin treatment to a squash popular in North America, rather than being a traditional dish with one fixed recipe.

The squash is tender and mildly sweet, while the cheese adds savoury richness and a browned finish. Serve it as a vegetable side or a light main, with a green salad; it also pairs well with roasted meat. It offers some fibre from the squash and protein from the cheese. For a lighter version, use a modest amount of cheese and let the squash remain the main ingredient.

How Nutritious Is Spaghetti squash gratin?

Nutrient density

Medium

54/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

45/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Spaghetti squash gratin Processed?

NOVA 3

Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Spaghetti squash gratin Contain Allergens?

Contains these allergens:

Gluten free
Dairy yes
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Spaghetti squash gratin Good For?

Vegan

— Not suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

— Not suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Spaghetti squash gratin Fat Profile

SATURATED

5.58g

MONOUNSATURATED

4.32g

POLYUNSATURATED

1.44g

⚖️

Omega 6:3 ratio 12.4:1

Above the ideal 4:1 (12.4:1).

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Nutrition data compiled from USDA FoodData Central and scientific sources.