If you’re on the hunt for a comforting, vibrant dish that feels like a warm hug, this Stuffed Acorn Squash with Quinoa, Mushrooms, Spinach, Cranberries, and Walnuts Recipe is an absolute winner. It offers a beautiful balance of earthy roasted acorn squash paired with fluffy quinoa and a flavor-packed filling bursting with savory mushrooms, fresh spinach, sweet cranberries, and crunchy walnuts. It’s an inviting, colorful meal that’s as satisfying to the eyes as it is to the palate, perfect for cozy dinners or impressing guests with wholesome, seasonal ingredients.

Ingredients You’ll Need
These ingredients are wonderfully simple yet thoughtfully chosen to come together in perfect harmony. Each component brings a unique texture and taste—from the rich nuttiness of quinoa and walnuts to the sweet pop of cranberries—making this recipe both nutritious and delicious.
- Acorn squashes: The star of the dish, their natural sweetness and tender flesh make an inviting edible bowl.
- Quinoa: Protein-packed and fluffy, it’s the perfect grain base that soaks up flavors beautifully.
- Vegetable broth or water: Used to cook the quinoa, broth adds subtle depth to the grain.
- Olive oil: Adds richness and helps sauté the veggies to perfection.
- Onion: Brings a sweet and savory foundation when sautéed.
- Garlic: Adds aromatic warmth and depth of flavor.
- Mushrooms: Offer a meaty texture and umami punch that complements the quinoa.
- Spinach: Adds vibrant color and a fresh, leafy note that balances the filling.
- Dried thyme and rosemary: Classic herbs that infuse earthy, fragrant undertones.
- Salt and pepper: Essential seasonings that elevate every ingredient.
- Walnuts: Provide a delightful crunch and nutty flavor contrast.
- Dried cranberries: Sweet-tart bursts that brighten the overall flavor.
- Feta cheese (optional): Adds creamy tanginess as a finishing touch.
- Fresh parsley: A fresh garnish that adds a pop of color and subtle herbaceousness.
How to Make Stuffed Acorn Squash with Quinoa, Mushrooms, Spinach, Cranberries, and Walnuts Recipe
Step 1: Prepare the Acorn Squash
Start by preheating your oven to 400°F (200°C). Slice the acorn squashes in half lengthwise and scoop out the seeds—this creates little boats ready to hold a scrumptious filling. Place them cut side up on a parchment-lined baking sheet, brush gently inside with olive oil, and season with salt and pepper. Roasting these brings out their natural caramelized sweetness, laying a flavorful foundation for the filling.
Step 2: Roast the Squash
Pop the squashes into the oven for about 30 to 35 minutes. You’ll want their flesh tender but still holding shape, with a lovely golden edge developing. This roasting step not only softens the squash but deepens its flavor to complement the hearty filling perfectly.
Step 3: Cook the Quinoa
While the squash roasts, rinse your quinoa to remove any bitterness. Bring two cups of vegetable broth or water to a boil, add the quinoa, then reduce the heat, cover, and simmer until fluffy and all the liquid is absorbed—about 15 minutes. Fluffy quinoa makes the filling light yet satisfying.
Step 4: Sauté the Vegetables
Heat olive oil in a skillet over medium heat and sauté diced onions until translucent, about 3-4 minutes. Add minced garlic and diced mushrooms, cooking for another 5 minutes until mushrooms soften and release their savory juices. This step builds a rich, flavorful base for your quinoa mixture.
Step 5: Add Spinach and Herbs
Stir in the chopped spinach along with dried thyme, rosemary, salt, and pepper. Cook until the spinach wilts nicely, approximately 2 to 3 minutes. The wilted spinach adds a tender texture and vibrant green that livens up the filling.
Step 6: Combine All Filling Ingredients
In a large bowl, mix the cooked quinoa with the sautéed vegetables, then fold in chopped walnuts and dried cranberries. This combination yields a delightful balance of textures and flavors—earthy, sweet, crunchy, and chewy all in every bite. Adjust seasoning if needed to suit your taste.
Step 7: Stuff and Bake
Retrieve the roasted acorn squashes and carefully pack each half with the quinoa filling, pressing gently to fill every nook. Return them to the oven for an additional 10 to 15 minutes to let the flavors meld and the filling heat through completely, creating a warm, inviting dish.
Step 8: Finishing Touches
Once baked, remove the stuffed squashes from the oven. If you like, sprinkle crumbled feta cheese on top for a creamy, tangy contrast. Finish with a sprinkle of fresh parsley to bring a touch of brightness and a lovely green hue that makes the dish pop on your table.
How to Serve Stuffed Acorn Squash with Quinoa, Mushrooms, Spinach, Cranberries, and Walnuts Recipe

Garnishes
Fresh parsley is a classic choice that adds a burst of vibrant green and a hint of fresh herbal flavor. For extra richness, crumbled feta cheese creates a lovely creamy contrast that complements the earthy filling perfectly. Toasted walnuts added on top after baking can also enhance the crunch factor.
Side Dishes
This dish pairs beautifully with light, fresh sides like a crisp autumn salad dressed with apple cider vinaigrette or roasted root vegetables to echo the cozy flavors of the squash. For a heartier meal, creamy mashed potatoes or a warm lentil stew can make the dinner even more fulfilling.
Creative Ways to Present
Serve the stuffed acorn squash halves directly on rustic wooden boards or in deep plates that catch any extra juices. For a festive touch, garnish with pomegranate seeds or a drizzle of balsamic glaze. You can even hollow out smaller acorn squashes individually for charming, personalized mini servings that wow at holiday gatherings.
Make Ahead and Storage
Storing Leftovers
After enjoying this Stuffed Acorn Squash with Quinoa, Mushrooms, Spinach, Cranberries, and Walnuts Recipe, simply let the leftovers cool and store them in an airtight container in the refrigerator. They’ll keep well for up to 3 days, making for a convenient and tasty next-day meal.
Freezing
You can freeze the stuffed squash for longer storage. Place the cooled, stuffed halves in a freezer-safe container or wrap tightly in foil and plastic wrap. They should maintain their best quality for up to 2 months. When ready, thaw overnight in the fridge before reheating.
Reheating
Reheat the stuffed squash in a 350°F (175°C) oven for about 20 minutes or until warmed through, which helps retain texture and flavor better than microwaving. If you’re short on time, a quick microwave zap works too, just be sure to cover it and watch the heating time to avoid drying out the filling.
FAQs
Can I use a different type of squash for this recipe?
Absolutely! While acorn squash is the traditional choice for its shape and sweet flavor, other winter squashes like delicata or kabocha will work beautifully and bring their own unique taste and texture.
Is this recipe vegan if I omit the feta cheese?
Yes, simply leave out the feta, and you’ll have a completely vegan stuffed squash. The filling is hearty and flavorful enough on its own to make a satisfying vegan meal.
Can I prepare the quinoa filling in advance?
Definitely. You can make the quinoa filling a day ahead and keep it refrigerated. This can help speed up dinnertime prep. Just stuff and bake the squash when you’re ready to serve.
What substitutions can I make for the walnuts?
If you’re not a fan of walnuts or have allergies, try pecans, toasted pumpkin seeds, or even chopped almonds for a similar crunch and nutty flavor.
How can I add more protein to this dish?
To boost protein, consider stirring in cooked chickpeas or black beans into the quinoa mixture, or topping the finished squash with a dollop of Greek yogurt or a sprinkle of hemp seeds.
Final Thoughts
This Stuffed Acorn Squash with Quinoa, Mushrooms, Spinach, Cranberries, and Walnuts Recipe is truly a celebration of autumnal flavors and textures that’s both nourishing and incredibly satisfying. Its perfect blend of sweet, savory, crunchy, and tender makes it a standout on any dinner table. I really encourage you to give this recipe a try—whether for a cozy family meal or a special occasion, it’s sure to become one of your seasonal favorites too!
Print
Stuffed Acorn Squash with Quinoa, Mushrooms, Spinach, Cranberries, and Walnuts Recipe
- Prep Time: 15 minutes
- Cook Time: 1 hour
- Total Time: 1 hour 15 minutes
- Yield: 4 servings
- Category: Main Dish
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Description
This delicious and hearty Stuffed Acorn Squash recipe features tender roasted acorn squash halves filled with a savory quinoa mixture of sautéed vegetables, walnuts, dried cranberries, and aromatic herbs. Topped with optional feta cheese and fresh parsley, this dish is perfect as a nutritious vegetarian main or a festive side.
Ingredients
Acorn Squash
- 2 medium acorn squashes
- 1 tablespoon olive oil
- 1/2 teaspoon salt
- 1/2 teaspoon pepper
Quinoa Filling
- 1 cup quinoa, rinsed and drained
- 2 cups vegetable broth or water
- 1 tablespoon olive oil
- 1 small onion, diced
- 2 cloves garlic, minced
- 1 cup mushrooms, diced
- 1 cup spinach, chopped
- 1 teaspoon dried thyme
- 1 teaspoon dried rosemary
- 1/2 teaspoon salt
- 1/2 teaspoon pepper
- 1/2 cup walnuts, chopped
- 1/2 cup dried cranberries
Finishing Touches
- 1/4 cup feta cheese, crumbled (optional)
- Fresh parsley, for garnish
Instructions
- Preheat Oven: Preheat your oven to 400°F (200°C) to prepare for roasting the acorn squashes.
- Prepare Squash: Cut the acorn squashes in half lengthwise and scoop out the seeds. Place them cut side up on a baking sheet lined with parchment paper. Brush the inside of the squashes with olive oil and season with salt and pepper.
- Roast Squash: Roast the acorn squashes in the preheated oven for 30-35 minutes until tender and lightly caramelized.
- Cook Quinoa: While the squash roasts, bring vegetable broth or water to a boil in a medium saucepan. Add rinsed quinoa, reduce heat to low, cover, and simmer for 15 minutes until fluffy and liquid absorbed.
- Sauté Vegetables: Heat olive oil in a large skillet over medium heat. Sauté diced onion for 3-4 minutes until translucent. Add minced garlic and diced mushrooms; cook another 5 minutes until mushrooms soften.
- Add Spinach and Herbs: Stir in chopped spinach, dried thyme, dried rosemary, salt, and pepper. Sauté for 2-3 minutes until spinach wilts.
- Combine Filling: In a large bowl, mix cooked quinoa, sautéed vegetables, chopped walnuts, and dried cranberries. Adjust seasoning if necessary.
- Stuff Squash: Remove roasted squash from oven and carefully fill each half with the quinoa mixture, pressing gently to pack it well.
- Bake Stuffed Squash: Return filled squashes to the oven and bake for an additional 10-15 minutes until heated through.
- Garnish and Serve: Remove from oven, sprinkle with crumbled feta cheese if using, and garnish with fresh parsley before serving.
Notes
- To make this recipe vegan, omit the feta cheese or replace it with a plant-based alternative.
- You can substitute walnuts with pecans or almonds for variety.
- Rinsing quinoa well reduces any bitterness and improves texture.
- Leftovers can be refrigerated for up to 3 days and reheated in the oven or microwave.
- For a gluten-free meal, ensure the vegetable broth is gluten-free.

