How Long Does It Take To Cook Spaghetti Squash

ByLily

Spaghetti squash takes about the same time whether you bake it whole or cut it in half first, so the real answer to how long does it take to cook spaghetti squash is roughly 35 to 50 minutes in a standard oven at 400°F. The exact time depends on the size of the squash and your cooking method. Below you will find times for every common method, plus simple steps so you get perfect strands every time.

Quick Answer: Cooking Times At A Glance

Here is the short version before we get into the details.

  • Oven, cut in half: 35 to 45 minutes at 400°F
  • Oven, whole: 40 to 50 minutes at 400°F
  • Microwave, cut in half: 10 to 15 minutes on high
  • Instant Pot, whole or halved: 7 minutes under pressure plus 10 minutes natural release
  • Slow cooker, whole: 4 to 5 hours on low

Always add 5 to 10 minutes if your squash is on the large side. A 4 pound squash cooks faster then a 6 pound one.

How Long Does It Take To Cook Spaghetti Squash

This is the question most people search for, so let’s break it down by method. Each one gives you slightly different texture. Roasting brings out a nutty, sweeter flavor. Microwaving is the fastest. Pressure cooking is the most hands off.

Oven Roasting: 35 To 50 Minutes

Roasting is the most popular method because the strands stay firm and slightly caramelized. Heat your oven to 400°F.

  1. Cut the squash in half lengthwise.
  2. Scoop out the seeds and loose pulp.
  3. Brush the cut sides with olive oil and season with salt and pepper.
  4. Place cut side down on a baking sheet lined with parchment.
  5. Roast for 35 to 45 minutes, until a fork pierces the skin easily.

If you roast it whole, poke several holes in the skin with a knife first. Whole squash needs 40 to 50 minutes. Let it cool for 10 minutes before cutting, or you will burn your hands.

Microwave: 10 To 15 Minutes

Short on time? The microwave works fine. Cut the squash in half, scoop the seeds, and place it cut side down in a microwave safe dish with two tablespoons of water. Cover loosely and cook on high for 10 to 15 minutes. Check at the 8 minute mark. Smaller squash may finish in 8 to 10 minutes.

Instant Pot: 7 Minutes Plus Release Time

Pressure cooking is quick and you don’t have to cut the squash if it fits in your pot.

  1. Pour one cup of water into the inner pot.
  2. Place the whole squash on the trivet, or set halves cut side up.
  3. Lock the lid and cook on high pressure for 7 minutes.
  4. Let the pressure release naturally for 10 minutes, then vent the rest.

Total time from start to finish is about 25 minutes, including the time it takes to come to pressure.

Slow Cooker: 4 To 5 Hours

Set it and forget it. Poke the whole squash a few times, place it in the slow cooker, and cook on low for 4 to 5 hours. No water needed. The squash steams in its own moisture.

How To Tell When Spaghetti Squash Is Done

Don’t rely on the clock alone. Ovens run hot or cold, and squash sizes vary. Use these checks instead.

  • A fork or knife slides into the skin with almost no resistance.
  • The skin gives slightly when you press it.
  • The inside flesh is tender but not mushy.
  • Strands pull away easily with a fork.

If the flesh is still firm and stringy, put it back in for 5 more minutes and check again. Overcooked squash turns soft and watery, so stay close once you pass the 40 minute mark.

Tips For Perfect Strands Every Time

Follow these small habits and your squash will turn out great no matter the method.

  • Let the cooked squash rest for 10 minutes before scraping. The strands separate cleaner when it cools a bit.
  • Scrape with a fork held horizontally, working from the edge toward the center.
  • Drain the scraped strands in a colander for a few minutes if they look wet.
  • Don’t salt the raw flesh heavily. Salt draws out water and makes the final dish soggy.
  • Pick a squash that feels heavy for its size and has a firm, unblemished skin.

Common Mistakes To Avoid

Most problems come from a few easy to fix errors.

  1. Cutting a whole squash right out of the oven. Wait, or the steam will burn you.
  2. Microwaving without water. The squash can dry out and get tough.
  3. Scraping too deep. Stop when you hit the firm outer wall, or you’ll mix in hard bits.
  4. Skipping the rest time. Hot squash mashes instead of stringing.

One more note. Cooking times shift a little based on altitude and how cold the squash is when it goes in. A room temperature squash cooks faster then one straight from the fridge.

Storing And Reheating Leftovers

Cooked strands keep in the fridge for up to 5 days in a sealed container. Reheat in a skillet over medium heat for 3 to 4 minutes, or in the microwave for 60 to 90 seconds. Avoid reheating in a lot of liquid, since the strands soak it up and turn soft. You can also freeze cooked strands for up to 3 months. Thaw overnight in the fridge and drain well before using.

Now you know the answer. Spaghetti squash is forgiving, cheap, and easy to cook. Pick your method, set a timer, and check with a fork. You will have tender strands ready for sauce in under an hour.

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