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How to Roast Winter Squash

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Learn the safest way to cut and roast winter squash for any recipe. Includes roasting methods for tender soups or caramelized edges, plus flavor ideas and storage tips.

  • Author: George
  • Prep Time: 10 minutes
  • Cook Time: 50 minutes
  • Total Time: 1 hour
  • Yield: Varies by squash size
  • Category: Side Dish
  • Method: Bake
  • Cuisine: American
  • Diet: Vegan

Ingredients

Scale
  • 1 winter squash (butternut, kabocha, acorn, delicata, spaghetti, etc.)
  • 1 to 2 tablespoons olive oil (optional for cubes or extra browning)
  • Salt, to taste
  • Optional: herbs, spices, or drizzles (see flavor ideas in post)

Instructions

For Halved Squash

  1. Preheat oven to 400F. 
  2. Prepare squash: Cut off stem and bottom, stand upright, slice in half (use a rubber mallet for hard rinds if needed), and scoop out seeds. 
  3. Choose roasting method:
    • Cut Side Down: For tender, moist flesh (soup, mashes)
    • Cut Side Up: For caramelized edges (sides, salads)
  4. Roast on a parchment-lined baking sheet until fork-tender:
    • Small squash: 25 to 35 minutes
    • Large squash: 40 to 50 minutes
  5. Cool slightly before scooping or slicing.   

For Cubed Squash

  1. Cut off ends, peel if needed, remove seeds, and cut into cubes.
  2. Toss with olive oil, salt, and desired seasonings. 
  3. Spread in a single layer on a baking sheet, leaving space between cubes.
  4. Roast 25 - 35 minutes, flipping halfway, until golden and tender. 

For Spaghetti Squash

  1. Cut in half lengthwise, remove seeds. 
  2. Roast cut side down 35 to 45 minutes, until strands pull apart easily with a fork. 

Notes

  • Cooking time varies by squash type and size. As a reference, a 1.5 lb butternut squash (about 18 oz once seeds and stem are removed) takes around 30 minutes at 400°F.

  • Don’t overcrowd the pan for better browning.

  • To check doneness, pierce with a knife - it should slide in without resistance.

  • For tough-skinned varieties like acorn, roast with skin on and peel after cooking.

  • A grapefruit spoon makes quick work of removing seeds and stringy fibers.