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Red kuri squash is one of my favorite fall vegetables — nutty, creamy, and sometimes called chestnut pumpkin for its rich flavor. It’s the kind of side dish that feels right at home on a busy weeknight or the holiday table.

In this version, I roast the wedges with miso butter and olive oil until the edges caramelize and the centers turn tender and flavorful. Simple, seasonal, and deeply satisfying — this is my go-to way to enjoy kuri squash.

Slices of roasted red kuri squash with browned edges, garnished with chopped green onions, are arranged on a red and white patterned plate.

Recipe at a glance

  • Cutting made easier: Microwave the halves on medium for 3 minutes before slicing into wedges.
  • Keep it from drying out: Coat wedges generously with oil or butter so they look shiny.
  • Don’t overcrowd: Space out the pieces so they roast, not steam.
  • Choose the right squash: Pick one that feels heavy and firm — very fresh squash can cook up dry and starchy.
  • Flavor boost: Dense squash benefits from coatings that cling, like miso butter, honey glaze, or spice rubs mixed with oil.

Key Ingredient Notes

  • Red kuri squash: Also called Japanese Hokkaido pumpkin or chestnut pumpkin, this variety has smooth flesh with a naturally sweet, nutty flavor. Choose one that feels heavy for its size, with glossy skin and a firm, healthy stem. Avoid squash that looks shriveled or has soft spots — those can be old and dry inside, even if the outside looks fine.
  • Miso paste: Red kuri’s dense flesh can taste bland with just salt and pepper. White or yellow miso adds savory, umami depth that clings to the squash, bringing out its natural sweetness without overpowering it.
  • Ghee or butter + olive oil: Mixing softened butter with miso creates a rich coating, while olive oil helps caramelize the edges. Together they add both fat and flavor, keeping the squash moist and enhancing its sweet, chestnut-like taste as it roasts.

💡 ChihYu’s Helpful Tip: I once bought a lighter kuri squash because it was easier to carry home — big mistake. It looked fine outside but roasted up dry inside. Always go for the heavier ones!

How to make roasted red kuri squash

Roasted red kuri squash is simple to prepare, but there are a few details that make a big difference. Below I’ll walk you through the steps while also answering some of the most common questions people have when cooking this squash.

How to cut red kuri squash more easily

Red kuri squash has a firm shell, so the first cuts take a little effort. Slice it in half with a sharp chef’s knife, scoop out the seeds, then microwave the halves for about 3 minutes (flipping once). This softens the flesh just enough so you can safely cut the halves into thin, even wedges without straining.

How to keep the squash from turning out dry

Because kuri squash is dense, it needs more fat than just a drizzle of oil. I coat the wedges generously with both olive oil and miso butter — not just a light brush, but a good rub so every side is glossy. This prevents dryness and adds savory flavor all the way through.

How long to roast (and what “done” looks like)

I roast at 400°F (200°C) until the squash is tender with caramelized edges. For a convection oven, that’s about 25–30 minutes; for a traditional oven, 30–35 minutes. Flip the wedges halfway so both sides brown. They’re ready when a fork slides in easily, the edges are golden, and when you bite into it the flesh is creamy and soft inside.

What to serve it with

This dish works beautifully as a holiday side but is simple enough to add to weeknight dinners.

If you have leftovers, blend them into a creamy kuri squash soup with full-fat coconut milk — simple and delicious!

Flavor Variations

These flavor variations start with the same butter mixture — just mix in one of the ideas below to change up the taste.

  • Spicy miso: Stir in ½–1 tsp chili paste (gochujang, sambal, or sriracha) for heat.
  • Garlic miso: Mix 1 small grated garlic clove into the miso butter.
  • Honey miso: Add 1 tsp honey for a sweet-savory glaze.
  • Herby finish: Sprinkle with cilantro, parsley, or thyme after roasting for freshness.

FAQs

Do you need to peel red kuri squash?

No. The skin softens when roasted, so it’s completely edible and adds extra flavor. Just scrub the outside well before cutting.

Can I use kabocha squash instead?

Yes. Kabocha has a similar sweet, nutty taste, but it’s denser and may need a few extra minutes in the oven.

Why did my squash turn out bland?

Kuri squash is naturally mild, so it needs both fat and seasoning to shine. If you only drizzle oil, it can slide right off and leave the wedges tasting flat. Use something that clings — like a butter or miso-based spread, a honey or maple glaze, or a spice rub mixed with oil — so the flavor really sticks as it roasts.

Why did my squash turn out dry?

Usually it’s from not enough oil or butter, or from crowding the pan so the squash steams instead of roasts. Make sure the wedges are well-coated and spaced out in a single layer so they cook tender inside with caramelized edges.

Try these fall squash recipes next!

Recipe Card

Roasted red kuri squash recipe

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Prep: 10 minutes
Cook: 30 minutes
Total: 40 minutes
Servings: 5 servings
Roasted red kuri squash with miso butter and olive oil — buttery, caramelized edges and tender, sweet flesh. Perfect for fall dinners or holiday sides.
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Ingredients 
 

  • 3 lb red kuri squash
  • 3 tbsp ghee or unsalted butter room temperature (softened butter)
  • 2 tbsp yellow or white miso paste
  • 3 tbsp olive oil
  • Chopped scallions Optional garnish

Equipment

  • 2 Sheet pans 1 large; 1 half sheet
  • Food prep gloves

Instructions 

Prep squash:

  • Scrub the squash clean and pat it dry.
    A person scrubs an orange/red red kuri squash under running water in a sink, then slices it with a knife on a wooden cutting board.
  • Carefully slice the squash in half with a sharp chef’s knife, angling away from the tough stem so the knife doesn’t get stuck. Scoop out the seeds. Slice away the stem.
    Two images side by side: left shows hands cutting the top off a whole red kuri squash on a wooden board; right shows hands scooping out seeds from the inside of the cut pumpkin.
  • To make it easier to cut, microwave the halves on medium heat for 3 minutes total, flipping after 1 ½ minutes. This softens the squash slightly.
    A halved red kuri squash covered with plastic wrap on a plate (left) to microwave in order to soften the squash for easy slicing. On the right, another hand slices the microwaved and softened squash with a knife on a wooden surface with ease.

Cut into thin wedges:

  • Once cool enough to handle, cut each half into 1-inch (2.5 cm) wedges. Transfer to a large mixing bowl.

Make miso butter:

  • In a small bowl, stir together the ghee (or butter) and miso paste until smooth.
    Side-by-side images: left, a bowl of yellow or white miso paste with a white pestle; right, a jar of ghee or butter with a wooden spoon. Perfect for making miso butter, both are clearly labeled.

Coat the squash:

  • Drizzle the olive oil over the squash. Add the miso butter into the bowl. Wearing the gloves, use your hands to gently rub the oil and miso butter all over the squash wedges, making sure all sides and every piece is coated nicely with olive oil and butter. Each slice should look shiny, moist and smooth (if not enough oil is coated, the squash might turn out dry after roasting).
    Left: A bowl with creamy, light brown miso paste and a spoon. Right: Sliced red apples coated in the same miso paste mixture, ready to pair with roasted red kuri squash. Both bowls sit on a light surface.

Roast:

  • Arrange the wedges cut side down on parchment-lined sheet pans in a single layer with some space between each wedge. Don’t over crowd them.
    Slices of raw roasted red kuri squash coated with seasoning are arranged in rows on a parchment-lined baking tray, ready for roasting. The tray sits on a light-colored countertop.
  • Convection oven (fan on): Bake at 400°F (200°C) for 25–30 minutes, flipping halfway through.
  • Traditional oven (no fan): Bake at 400°F (200°C) for 30–35 minutes, flipping halfway.
  • The squash should be tender with golden, caramelized edges.
    Sliced roasted red kuri squash arranged on a parchment-lined baking sheet. The slices are golden brown with caramelized edges, sprinkled with herbs and seasoning.

Serve:

  • Enjoy hot or warm from the oven. Garnish with scallions if you’d like a finishing touch.
    Sliced roasted red kuri squash pieces on a baking tray lined with parchment paper and fully seasoned with butter and miso paste on the left; on the right, a hand holds a roasted pumpkin slice with a crispy, caramelized edge over a plate of more roasted slices.

Notes

  • Cutting tip: Red kuri squash has firm skin, so microwaving the halves makes slicing safer and easier.
  • No extra salt needed: The miso adds plenty of savory flavor. Taste after roasting and add a sprinkle of flaky salt only if needed.
  • Storage: Leftovers keep well in the fridge for up to 3-4 days. Reheat in the oven, with a light mist sprinkle of water, at 350°F (175°C) for 8–10 minutes to bring back the texture.

Nutrition

Serving: 1serving, Calories: 246kcal, Carbohydrates: 23g, Protein: 3g, Fat: 18g, Saturated Fat: 7g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 9g, Cholesterol: 23mg, Sodium: 11mg, Potassium: 953mg, Fiber: 4g, Sugar: 6g, Vitamin A: 3720IU, Vitamin C: 33mg, Calcium: 76mg, Iron: 2mg

Nutrition information is automatically calculated, so should only be used as an approximation.

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