Grilled Kabocha Squash with Miso Honey Glaze | Arteflame

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Elevate your fall grilling with this Japanese Kabocha squash recipe. Featuring a savory miso honey glaze and the perfect char from the Arteflame grill, this side dish offers a mouthwatering balance of sweet, salty, and smoky flavors.
By Michiel Schuitemaker
Updated on
Smoky Grilled Kabocha Squash with Sweet Miso Honey Glaze

Introduction

There is nothing quite like the aroma of savory miso caramelizing over an open fire to signal the arrival of cozy cooking season. This Grilled Kabocha Squash recipe captures the essence of autumn comfort. The squash’s dense, velvety flesh transforms into a creamy delight when grilled, offering a texture that is impossibly tender on the inside with a smoky, crisp skin. It is the perfect balance of sweet, savory, and nutty flavors, making it an ideal side dish for a crisp evening outdoors.

Why I Love This Recipe

This dish is a total game-changer because it proves vegetables can be the star of the show. By using the Arteflame’s flat cooktop, you achieve a sear that a standard oven simply cannot replicate. The high heat locks in moisture, while the miso honey glaze provides a massive hit of umami that cuts through the natural sweetness of the pumpkin. It is rustic enough for a backyard BBQ yet sophisticated enough for a dinner party.

Chef's Tips for Success

  • Manage Your Heat Zones: Kabocha is dense. If the outside chars too quickly before the inside is soft, move the wedges to the cooler outer ring of the grill to finish roasting gently.
  • Timing the Glaze: Sugars in honey and miso burn rapidly. Only brush the glaze on during the final minute of cooking to get that sticky, caramelized finish without scorching.

Ingredient Swaps

If you need a vegan option, simply swap the honey for maple syrup. No Mirin? A splash of dry white wine or sherry with a pinch of sugar works in a pinch to mimic that distinct sweetness.

Ingredients

The Squash

  • 1 medium Kabocha squash (approximately 2 to 3 lbs)
  • 2 tablespoons Vegetable oil or light olive oil (for coating)
  • Sea salt, to taste
  • Freshly ground black pepper, to taste

The Miso Honey Glaze

  • 2 tablespoons White Miso paste (Shiro Miso)
  • 2 tablespoons Honey (or maple syrup for a vegan option)
  • 1 tablespoon Soy sauce (use Tamari for gluten-free)
  • 1 tablespoon Mirin (Japanese sweet rice wine)
  • 1 teaspoon Toasted sesame oil
  • 1 teaspoon Rice vinegar

Garnish

  • 1 tablespoon Toasted sesame seeds
  • 2 Green onions (scallions), thinly sliced

Instructions

Step 1: Prepare the Kabocha Squash

  1. Wash the exterior of the squash thoroughly as the skin is edible and delicious when grilled.
  2. Carefully cut the squash in half vertically. Using a sturdy spoon, scoop out the seeds and stringy pulp (you can save the seeds to roast later).
  3. Slice each half into uniform wedges, approximately 3/4-inch to 1-inch thick.
  4. Place the wedges in a large bowl. Drizzle with the vegetable oil and toss to coat evenly. Season generously with sea salt and black pepper.

Step 2: Prepare the Arteflame Grill

  1. Fire up your Arteflame grill. You want to establish a medium-high heat zone on the flat cooktop griddle (plancha).
  2. Aim for a temperature range where water beads dance and evaporate quickly, but the oil doesn't smoke excessively immediately upon contact.
  3. Lightly oil the cooking surface to prevent sticking.

Step 3: Make the Miso Glaze

  1. While the grill is heating, take a small bowl and combine the white miso paste, honey, soy sauce, mirin, sesame oil, and rice vinegar.
  2. Whisk vigorously until the miso is fully dissolved and the sauce is smooth and glossy. Set this aside near your grilling station.

Step 4: Grill the Squash

  1. Place the squash wedges directly onto the flat top griddle of the Arteflame. Arrange them in a single layer so they cook evenly.
  2. Grill for about 4 to 6 minutes on the first side. You are looking for a deep golden-brown sear and visible grill marks.
  3. Flip the wedges over using tongs. Grill the second side for another 3 to 5 minutes. The squash is done when it is fork-tender and the flesh is soft.

Step 5: Glaze and Serve

  1. During the last minute of cooking, brush the top of each wedge generously with the miso honey glaze.
  2. Let the glaze bubble and caramelize slightly on the hot squash, but watch closely to prevent the sugars in the honey from burning.
  3. Remove the squash from the grill and transfer to a serving platter.
  4. Immediately garnish with toasted sesame seeds and fresh green onions while hot.

Tips

Cooking Kabocha squash requires a balance of heat and timing to ensure the inside becomes creamy without burning the outside. One of the best things about Kabocha is that, unlike butternut squash, the dark green skin is completely edible and becomes tender when cooked, adding a great textural contrast. If your squash is very hard to cut, you can microwave the whole squash for 2 to 3 minutes to slightly soften the skin before slicing; this makes the prep work much safer and easier. When grilling, keep an eye on the heat zones of your Arteflame. If the squash is browning too fast but feels hard in the middle, move the wedges to the outer, cooler ring of the cooktop to roast gently until the center softens. Finally, miso is high in sodium, so taste your glaze before adding extra salt to the finished dish.

Variations

This recipe is highly adaptable depending on your dietary preferences or the flavor profile of your main course. While the classic Japanese flavors are crowd-pleasers, you can easily tweak the ingredients to create something new. Here are a few delicious variations to try on your grill:

  • Spicy Kick: Mix 1 teaspoon of Gochujang (Korean chili paste) or red pepper flakes into the glaze for a heat that cuts through the sweetness.
  • Herbaceous: Skip the Asian flavors and use maple syrup, melted butter, fresh thyme, and rosemary for a traditional Western fall flavor.
  • Nutty Crunch: Add crushed walnuts or pecans to the garnish for added texture that complements the soft squash.
  • Citrus Zest: Add a teaspoon of grated ginger and a squeeze of fresh lime juice to the glaze for a brighter, zestier finish.
  • Garlic Butter: Replace the oil in the glaze with melted garlic butter for a richer, more savory decadence.

Best pairings

Grilled Kabocha squash is a versatile side dish that pairs beautifully with a wide variety of proteins. The sweet and savory miso profile makes it a natural companion for other Asian-inspired dishes, but its heartiness allows it to stand up to robust meats as well. Because of the richness of the glaze, it works best with mains that have a bit of char or acidity to cut through the creamy texture of the squash.

  • Grilled Ribeye or Strip Steak: The umami in the miso complements the beefy flavor of a steak perfectly.
  • Miso-Glazed Salmon: Double down on the flavor profile for a cohesive and healthy seafood dinner.
  • Pork Chops: The sweetness of the squash balances the savory, salty nature of grilled pork.
  • Steamed Jasmine Rice: Serve the squash over a bed of fluffy rice to soak up any extra sauce.
  • Simple Green Salad: A crisp arugula salad with a vinaigrette provides a fresh contrast to the dense squash.

Conclusion

Mastering this Japanese Kabocha squash recipe on the Arteflame grill opens up a new world of flavor for vegetable lovers. It transforms a humble winter squash into a gourmet experience that highlights the best of grilling: smoky chars, tender textures, and complex sauces. The combination of the nutty squash with the salty-sweet miso glaze creates a dish that is comforting yet sophisticated. It is a testament to how simple ingredients, when treated with the right technique and heat, can become the star of the meal. Whether you serve it as a side for a holiday gathering or a weeknight treat, this grilled squash is guaranteed to leave your guests asking for the recipe. Give it a try next time you fire up the grill and enjoy the taste of fall in every bite.

Arteflame One Series 40″ — XXL Flat-Top Charcoal Grill & Fire Bowl (Single-Piece CORTEN Body)

This recipe was prepared on the Arteflame One Series 40″ — XXL Flat-Top Charcoal Grill

Experience the Arteflame difference — 1,000°F searing, natural wood-fired flavor, and a wide cooktop with multiple heat zones, all in one beautifully designed grill. Cook everything at once, control every temperature with ease, and elevate every outdoor moment. Discover why Arteflame transforms the way you grill.

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