Vegan Quinoa, Spinach, and Mushroom Stuffed Acorn Squash

Vegan Quinoa, Spinach, and Mushroom Stuffed Acorn Squash cover

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Vegan Quinoa, Spinach, and Mushroom Stuffed Acorn Squash

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Ingredients

Warning0 allergens identified

Vegan Quinoa, Spinach, and Mushroom Stuffed Acorn Squash

nonstick cooking spray (or olive oil)

5 acorn squash(about 1 3/4 lb. each)

1 tbsp extra virgin olive oil(for squash)

½ tsp salt(for squash)

¼ tsp black pepper

1 cup quinoa(preferably white quinoa)

½ tsp salt(for quinoa)

2 cups water

1 onion (medium, 1 onion is about 1 cup chopped)

2 carrots

¾ lb fresh shiitake mushrooms

5 cloves garlic

2 tablespoons extra virgin olive oil(for vegetable mixture)

1 ½ teaspoons fresh thyme leaves

¾ tsp salt(for vegetable mixture)

½ cup dried cranberries

½ cup pecan pieces

5 ounces baby spinach leaves

salt(optional, to taste, for serving)

extra virgin olive oil(optional, for serving)

Instructions

Place oven racks in upper-third and lower-third positions in oven.

Preheat the oven to 400°F.

Coat two baking sheets with nonstick cooking spray or olive oil.

Cut each squash in half lengthwise and remove the seeds with a spoon. Cut a thin slice from the skin side of each squash half so it sits flat.

Brush each squash half with olive oil on the cut side, and season with salt and pepper. Place five squash halves on each baking sheet with the cavity side down.

Roast the squash on upper-third and lower-third racks of oven, switching pan positions halfway through cook time, until just tender when pierced with a knife, 30-35 minutes. Remove from oven and set aside. Leave the oven on.

Meanwhile, rinse the quinoa under cold water. In a medium saucepan combine quinoa with the salt and water. Bring to a boil over high heat, then reduce heat to medium-low. Cover and simmer until liquid is absorbed and quinoa is tender, about 15 minutes. Set aside.

While the squash and quinoa cook, cut the onion and carrots into a 1/4-inch dice. Remove stems from the mushrooms and thinly slice the caps. Mince the garlic.

Heat the oil in a large nonstick frying pan over medium-high heat. Add the onion, carrots, mushrooms, garlic, thyme, and salt. Cook, stirring occasionally, until vegetables are tender and mushrooms are lightly browned, about 12 minutes.

Stir in the cranberries and pecans and cook for 1 minute. Add the spinach and cook until just wilted, about 2 minutes. Remove from heat and stir in the quinoa (transfer everything to a large bowl if it won't all fit).

Turn the squash halves over so the cavities face up. Spoon quinoa mixture into each cavity, mounding the filling as necessary.

Bake on upper-third and lower-third racks of oven until filling and squash are heated through, about 10 minutes.

Check to see that squash are done. Remove from oven or add time as needed.

Transfer squash to a platter. If you like, season to taste with more salt and drizzle with a little olive oil before serving.

Video Tutorial Bite Tutorial

Nutrition

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Tips & Tricks (5)

Parallel Cooking Strategy ⏱️
Start roasting the acorn squash halves first, then begin quinoa cooking, and finally sauté vegetables—this staggered timing ensures all components finish simultaneously for optimal assembly.
Mushroom Umami Boost 🍄
Sauté shiitake mushrooms separately until golden and slightly caramelized before adding to the filling—this concentrates their earthy, savory flavors and prevents a watery stuffing.
Squash Stability Hack 🎯
Slice a thin layer off the bottom of each squash half to create a flat, stable surface so it won't rock or spill filling while roasting and serving.
Toast Quinoa First 🌾
Lightly toast uncooked quinoa in a dry pan for 1-2 minutes before adding water—this enhances its nutty flavor and prevents a gummy texture that can overshadow the filling.
Texture Contrast Balance 🥜
Reserve half your pecans and cranberries to fold in at the very end of filling preparation—this keeps them crunchy and vibrant rather than becoming soft and muddy from heat.