Portobello and Sage Stuffed Acorn Squash
This protein-packed Stuffed Acorn Squash provides a healthy and tasty alternative to traditional holiday side dishes.
Rich Portobello mushrooms, sweet dates, and aromatic sage bring fabulous, yet diverse, flavor to every bite.
As an added bonus, the lentils and walnuts make it more filling, so maybe you’ll be able to stop at just one piece of pumpkin pie this holiday season!
Be sure to check out our other vegetarian recipes, too!
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Portobello and Sage Stuffed Acorn Squash
Ingredients:
- 3 acorn squash, cut in half and seeds removed
- 3 T. extra virgin olive oil, divided
- 3-4 cloves garlic, finely minced
- 11⁄2 lbs. Portobello mushrooms, roughly chopped
- 1⁄2 medium yellow onion, thinly sliced
- 1 c. green lentils, cooked
- 1 1/2 T. fresh sage, finely chopped
- 1⁄4 c. dry red wine
- 1/3 c. dates, roughly chopped
- 1⁄4 c. walnuts, chopped
- 1⁄4 c. Parmesan cheese, freshly grated Sea salt and pepper to taste
- Non-stick cooking spray
Tip: Acorn squash seeds can be seasoned and toasted, just like pumpkin seeds.
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Reserve the seeds while preparing this recipe to enjoy as a healthy snack later.

Stuffed Acorn Squash Directions:
Step 1: Position oven rack to center position, then preheat oven to 400°F.
Spray a large baking dish with non-stick cooking spray and set aside.
Step 2: Place the acorn squash halves cut side up in prepared baking dish and brush cut edges with one tablespoon olive oil.
Season with salt and black pepper, to taste.
Place baking dish on center rack in pre-heated oven and roast for 40 minutes, or until the squash is fork tender.
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Step 3: In the meantime, heat the remaining olive oil in a large skillet over medium heat.
Add minced garlic and pancetta and cook, stirring occasionally, until slightly browned, approximately 2-3 minutes.

Step 4: Add chopped mushrooms and cook, stirring occasionally, until they start to brown, approximately 4-5 minutes.
Add sliced onions and continue cooking, stirring once or twice, for another 3-4 minutes.
Step 5: Stir green lentils, fresh sage, and red wine into the skillet.
Cook, stirring occasionally, until mixture thickens, approximately 8-10 minutes.
Remove from heat and stir in the chopped dates and toasted walnuts.
Season with salt and black pepper, to taste. Set aside.
Step 6: When ready, remove cooked squash from oven and cool slightly before filling each half with the Portobello mushroom mixture. Sprinkle each half with some freshly grated Parmesan cheese.
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Step 7: Return stuffed squash to oven for another 5-10 minutes, or until heated through and the cheese starts to melt.
Remove from oven and serve immediately. Enjoy!


Portobello and Sage Stuffed Acorn Squash
This protein-packed Stuffed Acorn Squash provides a healthy and tasty alternative to traditional holiday side dishes.
Ingredients
- 3 acorn squash, cut in half and seeds removed
- 3 T. extra virgin olive oil, divided
- 3-4 cloves garlic, finely minced
- 1 1⁄2 lbs. Portobello mushrooms, roughly chopped
- 1⁄2 medium yellow onion, thinly sliced
- 1 c. green lentils, cooked
- 1 1/2 T. fresh sage, finely chopped
- 1⁄4 c. dry red wine
- 1/3 c. dates, roughly chopped
- 1⁄4 c. walnuts, chopped
- 1⁄4 c. Parmesan cheese, freshly grated
- Sea salt and pepper to taste
- Non-stick cooking spray
Instructions
- Position oven rack to center position, then preheat oven to 400°F. Spray a large baking dish with non-stick cooking spray and set aside.
- Place the acorn squash halves cut side up in prepared baking dish and brush cut edges with one tablespoon olive oil. Season with salt and black pepper, to taste. Place baking dish on center rack in pre-heated oven and roast for 40 minutes, or until the squash is fork tender.
- In the meantime, heat the remaining olive oil in a large skillet over medium heat. Add minced garlic and pancetta and cook, stirring occasionally, until slightly browned, approximately 2-3 minutes.
- Add chopped mushrooms and cook, stirring occasionally, until they start to brown, approximately 4-5 minutes. Add sliced onions and continue cooking, stirring once or twice, for another 3-4 minutes.
- Stir green lentils, fresh sage, and red wine into the skillet. Cook, stirring occasionally, until mixture thickens, approximately 8-10 minutes. Remove from heat and stir in the chopped dates and toasted walnuts. Season with salt and black pepper, to taste. Set aside.
- When ready, remove cooked squash from oven and cool slightly before filling each half with the Portobello mushroom mixture. Sprinkle each half with some freshly grated Parmesan cheese.
- Return stuffed squash to oven for another 5-10 minutes, or until heated through and the cheese starts to melt. Remove from oven and serve immediately. Enjoy!
Notes
Acorn squash seeds can be seasoned and toasted, just like pumpkin seeds. Reserve the seeds while preparing this recipe to enjoy as a healthy snack later.
Nutrition Information:
Yield: 6 Serving Size: 1Amount Per Serving: Calories: 275Total Fat: 12gSaturated Fat: 2gTrans Fat: 0gUnsaturated Fat: 9gCholesterol: 3mgSodium: 136mgCarbohydrates: 36gFiber: 11gSugar: 9gProtein: 10g
Nutrient values are only estimates provided by online calculators. Various factors can change the nutritional information in any given recipe.
For more yummy vegetarian ideas!
The Weekday Vegetarians: 100 Recipes and a Real-Life Plan for Eating Less Meat: A CookbookThe Complete Vegetarian Cookbook: A Fresh Guide to Eating Well With 700 Foolproof Recipes
Love Real Food: More Than 100 Feel-Good Vegetarian Favorites to Delight the Senses and Nourish the Body: A Cookbook
The Complete Plant-Based Cookbook: 500 Inspired, Flexible Recipes for Eating Well Without Meat
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