Easy Quinoa Stuffed Acorn Squash (Vegetarian & Gluten-Free)

Quinoa-Stuffed Acorn Squash – A Healthy, Flavor-Packed Fall Recipe

When fall rolls in with its cozy flavors and golden hues, I can’t resist turning on the oven and filling my kitchen with the aroma of roasted squash. This Quinoa-Stuffed Acorn Squash is one of my favorite wholesome, comforting dishes for the season. It’s hearty, beautiful on the table, and surprisingly easy to make. Also, don’t forget to check out my air fryer acorn squash recipe, as well as my vegan butternut squash soup, which is equally perfect for this cold season.

Whether you’re planning a healthy Thanksgiving dinner or a Christmas dinner, this recipe is perfect! Also, for a cozy weeknight meal, Sunday dinners, or a vegetarian main dish that impresses, it delivers flavor, texture, and nutrition in every bite.

Can I make quinoa-stuffed acorn squash ahead of time?

Yes! You can roast the acorn squash and prepare the quinoa filling up to a day in advance. Store both separately in airtight containers in the fridge. When ready to serve, simply stuff the squash and reheat in the oven at 350°F for about 10–15 minutes.

Why You’ll Love This Recipe

This quinoa-stuffed acorn squash is:

• Nourishing: Packed with fiber, plant protein, and antioxidants.
• Naturally vegetarian and gluten-free (and can be made vegan).
• Beautiful to serve: Perfect for fall gatherings and Friendsgiving.
• Flavor-balanced: Sweet roasted acorn squash paired with savory quinoa, herbs, and cranberries creates a delightful bite every time.
• Fancy and Simple! It’s one of those dishes that looks fancy but is simple to make — the kind that earns you compliments without stress in the kitchen.
• Perfect addition to your dinner table!

Ingredients You’ll Need for Quinoa Stuffed Acorn Squash:

Here’s what goes into this nourishing fall favorite:

For the Roasted Acorn Squash

• 2 medium acorn squash, halved and seeds removed
• 1 tablespoon maple syrup 
• Olive oil spray or avocado oil spray
• Salt and black pepper, to taste

For the Quinoa Filling

• 2 cups cooked quinoa or 1 cup uncooked quinoa. Need help cooking quinoa? See this recipe.
• 1 tablespoon extra virgin olive oil
• 1 small or medium onion, finely chopped
• 1 medium-sized apple (I used Honey Crisp)
• 1 big red bell pepper
• 2 cloves garlic, minced
• ½ cup dried cranberries
• 1/3 cup chopped walnuts
• 1 teaspoon house spice mix (dried thyme, salt, pepper, and Knorr Bouillon powder), to taste

Optional Garnish

• Fresh sprig of thyme, parsley, or rosemary
• Balsamic Glaze drizzle

How to Make Healthy vegetarian acorn squash stuffed with quinoa and nuts

Tips for Healthy Quinoa Stuffed Acorn Squash Recipe:

• Choose smaller squash: They roast faster and make perfect single servings.
• Don’t skip the caramelization: Roasting cut side down helps the squash become sweet and tender.
• Add protein: For extra heartiness, stir in chickpeas or cooked lentils.
• Make ahead: Both the roasted squash and quinoa filling can be prepared a day in advance — just assemble and bake before serving.

Variations & Substitutions for Roasted acorn squash filled with quinoa, cranberries, and Walnuts:

Swap Quinoa for Another Grain

If you don’t have quinoa, try brown rice, wild rice, couscous, or farro. Each offers a slightly different texture and flavor — brown rice is nutty and hearty, while couscous gives a lighter, fluffier bite. All pair beautifully with roasted acorn squash.

Add a Protein Boost

Turn this recipe into a complete meal by adding protein. Stir in chickpeas, black beans, lentils, or shredded rotisserie chicken if you’re not keeping it vegetarian. These add extra fiber and make the dish more filling.

Make It Vegan or Dairy-Free

This recipe is already vegetarian, but you can make it fully vegan by skipping cheese or butter. Use olive oil or vegan butter instead, and sprinkle nutritional yeast for a savory, cheesy flavor.

Try Different Nuts, Greens & Sweetness

Customize the filling with what you have on hand: swap pecans for walnuts, pistachios, or almonds, and use kale, Swiss chard, or baby spinach in place of regular spinach. Each combination brings a new flavor and texture to the dish. Enhance the fall vibes by mixing in pomegranate seeds, or maple syrup instead of apples. The natural sweetness complements the nutty quinoa and earthy squash — especially delicious for Thanksgiving or holiday dinners.

Serving & Pairing Ideas for Quinoa-Stuffed Acorn Squash:

This quinoa-stuffed acorn squash is a showstopper on any fall table — both delicious and stunning to serve. Whether you’re planning a cozy weeknight dinner or a festive Thanksgiving menu, here are a few ways to enjoy and pair it beautifully:

• Serve as a vegetarian option Main Course
• Offer as a Festive Side Dish
• Add a Drizzle or Garnish for Extra Flavor, such as balsamic glaze
• A meatless Monday dinner paired with soup or salad
• A holiday side dish alongside roasted turkey or chicken
• Perfect healthy Thanksgiving or Friendsgiving menu

Nutritional Benefits

Acorn squash is an excellent source of vitamin C, potassium, and fiber, while quinoa adds complete plant protein and essential amino acids. The cranberries and greens add antioxidants and balance the dish with freshness. Together, they make a nutrient-dense meal that supports sustained energy and digestion — perfect for busy professionals and families alike.

Frequently Asked Questions About Quinoa-Stuffed Roasted Acorn Squash

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More Squash Recipes for the Fall and Winter Season:

• Air Fryer Acorn Squash Recipe
• Roasted Garlic Butternut Squash Purée
• Autumn Squash Soup Panera Bread Copycat
• Air Fryer Roasted Maple Butternut Squash
• Roasted Beet Butternut Squash Quinoa Bowl

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