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Butternut Squash Casserole with Streusel: 7 Irresistible Tips

Posted on October 17, 2025

Posted by Georgina sami

Oh my goodness, let me tell you about the *best* Butternut Squash Casserole with Streusel! This dish is an absolute showstopper, and it always finds a way to steal the spotlight at every gathering.

Picture this: creamy, sweet, and savory butternut squash, all topped with a crunchy, buttery streusel that makes every bite feel like a warm hug. It’s not just a side dish; it’s a family favorite that brings everyone to the table.

Butternut Squash Casserole with Streusel

I remember the first time I made this casserole for a Thanksgiving dinner with my family. The moment I pulled it out of the oven, the aroma filled the kitchen and drew everyone in. My aunt, who claims she doesn’t even like squash, took one bite and was hooked! Now, it’s a staple at our holiday feasts. Trust me, with its rich flavors and delightful texture, this Butternut Squash Casserole with Streusel will become a cherished part of your gatherings, too!

Ingredients

Here’s everything you’ll need to whip up this amazing Butternut Squash Casserole with Streusel. I promise, these ingredients come together beautifully to create a dish that’s both comforting and delicious!

  • 2 cups butternut squash, peeled and cubed (fresh is best for flavor!)
  • 1 cup heavy cream (adds that rich creaminess that makes it divine)
  • 1/2 cup brown sugar (for that wonderful sweetness)
  • 1/2 teaspoon cinnamon (to warm things up with a hint of spice)
  • 1/4 teaspoon nutmeg (a little goes a long way in adding depth)
  • 1/4 teaspoon salt (to balance everything out)
  • 1/2 cup rolled oats (for that lovely, chewy texture in the streusel)
  • 1/2 cup chopped pecans (adds a delightful crunch)
  • 1/4 cup flour (to help bind the streusel together)
  • 1/4 cup butter, melted (because butter makes everything better!)

Make sure to have everything ready before you start cooking; it makes the process so much smoother and enjoyable! You’ll see how these simple ingredients transform into something magical.

How to Prepare Butternut Squash Casserole with Streusel

Now that we’ve got our ingredients lined up, let’s dive into the fun part—preparing this scrumptious Butternut Squash Casserole with Streusel! Each step is straightforward, and I promise you’ll be rewarded with an incredible dish that everyone will love.

Prepping the Butternut Squash

First things first, let’s get that butternut squash ready! Start by peeling the squash (a vegetable peeler works wonders) and then cube it into bite-sized pieces. Now, bring a pot of water to a boil and toss in those cubes. You’ll want to let them simmer away for about 15 minutes, or until they’re fork-tender. The key here is to keep an eye on them—nobody wants mushy squash! Once they’re tender, drain the squash and transfer it to a mixing bowl. Mash it up until it’s nice and smooth, with just a few lumps for that rustic touch.

Mixing the Filling

Time to make this filling shine! To the mashed butternut squash, add in the heavy cream, brown sugar, cinnamon, nutmeg, and salt. I like to mix it all together with a sturdy spatula or a hand mixer—whatever you have on hand. Just be sure everything is well combined and creamy! Give it a taste; if you want a bit more sweetness, don’t hesitate to sprinkle in a tad more brown sugar. Once you’re happy with the flavor, it’s ready to go into your greased baking dish.

Creating the Streusel Topping

Now, let’s get that delicious streusel going! In a separate bowl, combine the rolled oats, chopped pecans, flour, and melted butter. Use your hands or a fork to mix it up until everything is evenly coated and you have a crumbly mixture. It should have a nice, slightly clumpy texture—just think of it as a crunchy blanket for your casserole! Once it’s ready, sprinkle the streusel generously over the butternut squash mixture in the baking dish.

Baking Instructions

Now for the magic to happen! Preheat your oven to 350°F (175°C) and pop the casserole in once it’s ready. Bake it for about 30 to 35 minutes, or until the top is golden brown and you can smell that heavenly aroma wafting through your kitchen. To check for doneness, simply poke a fork into the center; if it comes out clean and the streusel is nicely browned, you’re good to go! Let it cool for just a few minutes before serving, and get ready for those compliments!

Why You’ll Love This Recipe

  • Quick and easy to prepare—perfect for busy weeknights or last-minute gatherings!
  • Rich, creamy flavor that balances sweet and savory, making it a crowd favorite.
  • The crunchy streusel adds a delightful texture that keeps everyone coming back for more.
  • Vegetarian-friendly, so it fits right into any dinner table without sacrificing taste.
  • Can be made ahead of time, just pop it in the oven when you’re ready to serve!
  • Versatile enough to be enjoyed year-round, not just for holidays!
  • Fresh ingredients bring out the best flavor—once you try it, you’ll want to make it again and again!

Tips for Success

Butternut Squash Casserole with Streusel - detail 1

Let’s make sure your Butternut Squash Casserole with Streusel turns out absolutely perfect! Here are some of my tried-and-true tips that I swear by every time I make this dish.

  • Use Fresh Squash: I can’t stress this enough! Fresh butternut squash not only tastes better but also gives you that vibrant color and texture. If you can, pick one up from the farmer’s market.
  • Adjust the Sweetness: Everyone’s palate is different, so feel free to tweak the amount of brown sugar based on how sweet you like your dishes. Start with less and add more to taste if necessary!
  • Don’t Overboil: Keep an eye on your squash while it boils. You want it fork-tender but not mushy, as that can change the texture of your casserole.
  • Let it Rest: After baking, let the casserole rest for about 5 to 10 minutes before serving. This helps it set up a bit and makes serving easier!
  • Make Ahead: This casserole is perfect for prepping in advance! You can assemble it the day before and just pop it in the oven when you’re ready. Just add a few extra minutes to the baking time if it’s coming straight from the fridge.
  • Experiment with Toppings: While I love the classic streusel, don’t be afraid to get creative! Try adding some shredded coconut or even a sprinkle of cheese for a different twist!
  • Storage Tips: If you have leftovers (which you probably won’t, but just in case!), store them in an airtight container in the fridge for up to 3 days. Reheat gently in the oven to keep that streusel crunchy!

Follow these tips, and you’ll have a Butternut Squash Casserole that’s not just good but truly outstanding. I can’t wait for you to taste it!

Variations

Now, let’s have some fun with this Butternut Squash Casserole with Streusel! The beauty of this dish is how versatile it can be. Here are some of my favorite variations that add a delightful twist to the classic recipe:

  • Nutty Alternatives: While pecans give a wonderful crunch, you can swap them out for walnuts or even hazelnuts. Each nut will bring its own unique flavor to the dish!
  • Spice It Up: Want to add a little warmth? Try adding a pinch of ginger or a dash of allspice to the filling. It brings a cozy, spiced note that’s perfect for fall!
  • Sweeten with Maple: Instead of brown sugar, use pure maple syrup for a different kind of sweetness. It pairs beautifully with the squash and adds a lovely depth of flavor.
  • Cheesy Goodness: For a savory twist, sprinkle some grated cheese like sharp cheddar or parmesan on top of the streusel before baking. It creates a deliciously cheesy crust that’s hard to resist!
  • Herb Infusion: Feel free to mix in some fresh herbs, like thyme or sage, into the filling for an aromatic touch. It adds a lovely earthy flavor that complements the squash beautifully.
  • Coconut Crunch: For a tropical twist, try adding shredded coconut to the streusel topping. It adds an unexpected texture and flavor that’s absolutely delightful!
  • Seasonal Touches: If you’re in the mood for something festive, mix in some dried cranberries or raisins into the filling. They add a sweet and tart burst that brightens up the dish.

So go ahead, experiment with these variations! Each time you make this casserole, you can discover something new and exciting, keeping your family and friends guessing and, most importantly, coming back for more!

Nutritional Information

Curious about what’s in this delicious Butternut Squash Casserole with Streusel? Here’s a quick overview of the estimated nutritional data per serving. Keep in mind that these figures are approximate and can vary based on the specific ingredients you use:

  • Calories: 250
  • Fat: 10g
  • Saturated Fat: 5g
  • Trans Fat: 0g
  • Unsaturated Fat: 3g
  • Cholesterol: 25mg
  • Sodium: 150mg
  • Carbohydrates: 36g
  • Fiber: 4g
  • Sugar: 15g
  • Protein: 4g

This casserole is not just a treat for your taste buds but also packs a good amount of fiber and healthy fats, thanks to the butternut squash and pecans. It’s a comforting dish that’s also a bit nutritious, making it a lovely addition to your meals. Enjoy every bite without a hint of guilt! 🍽️

FAQ Section

Can I use frozen butternut squash for this casserole?
Absolutely! Frozen butternut squash can be a convenient option. Just make sure to thaw it completely and drain any excess water before mashing. It’ll work just as well in this Butternut Squash Casserole with Streusel!

Can I make this casserole ahead of time?
Yes, you can! I often prepare it a day in advance. Just assemble the casserole, cover it, and store it in the fridge. When you’re ready to bake, just pop it in the oven! You might need to add a few extra minutes to the baking time since it will be cold from the fridge.

What can I serve with Butternut Squash Casserole?
This casserole makes a fantastic side dish for roast chicken, turkey, or even a hearty vegetarian main. It pairs beautifully with other Thanksgiving classics like green bean casserole or cranberry sauce. Trust me, it’ll be the star of the table!

How do I store leftovers?
If you happen to have any leftovers (which I doubt!), simply transfer them to an airtight container and store them in the fridge for up to 3 days. To reheat, pop it back in the oven for a few minutes to keep that streusel nice and crunchy!

Can I swap the pecans for something else?
Of course! If you have nut allergies or just prefer another flavor, feel free to substitute with walnuts or even sunflower seeds for a delightful crunch. Just remember that different nuts can bring a slightly different flavor, but they’ll all be delicious!

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Butternut Squash Casserole with Streusel

Butternut Squash Casserole with Streusel: 7 Irresistible Tips


  • Author: georgina
  • Total Time: 55 minutes
  • Yield: 6 servings 1x

Description

A delicious butternut squash casserole topped with a crunchy streusel.


Ingredients

Scale
  • 2 cups butternut squash, peeled and cubed
  • 1 cup heavy cream
  • 1/2 cup brown sugar
  • 1/2 teaspoon cinnamon
  • 1/4 teaspoon nutmeg
  • 1/4 teaspoon salt
  • 1/2 cup rolled oats
  • 1/2 cup chopped pecans
  • 1/4 cup flour
  • 1/4 cup butter, melted

Instructions

  1. Preheat oven to 350°F (175°C).
  2. Boil butternut squash until tender, about 15 minutes.
  3. Drain and mash squash in a bowl.
  4. Add cream, brown sugar, cinnamon, nutmeg, and salt. Mix well.
  5. Transfer mixture to a greased baking dish.
  6. In a separate bowl, combine oats, pecans, flour, and melted butter.
  7. Spread streusel over squash mixture.
  8. Bake for 30-35 minutes until golden brown.

Notes

  • Use fresh butternut squash for best flavor.
  • Adjust sugar based on your taste preference.
  • Serve warm for best texture.
  • Prep Time: 20 minutes
  • Cook Time: 35 minutes
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving
  • Calories: 250
  • Sugar: 15g
  • Sodium: 150mg
  • Fat: 10g
  • Saturated Fat: 5g
  • Unsaturated Fat: 3g
  • Trans Fat: 0g
  • Carbohydrates: 36g
  • Fiber: 4g
  • Protein: 4g
  • Cholesterol: 25mg

Keywords: Butternut Squash Casserole, Streusel, Thanksgiving Side Dish

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