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Oven Roasted Butternut Squash – Easy Garlic Butter Butternut Squash Halves

This Oven Roasted Butternut Squash is one of the easiest and most delicious ways to prepare fresh butternut squash! Made with melted butter, garlic, salt, pepper, and simple seasonings, this roasted butternut squash recipe is tender, buttery, and full of wonderful savory flavor.

The best part is that you don’t have to peel or cube the squash! Simply slice the butternut squash in half lengthwise, remove the seeds, brush the cut sides with seasoned melted butter, and roast in the oven until perfectly tender.

As the squash roasts, the natural sugars begin to caramelize, creating beautifully golden edges and a soft, creamy center. The garlic butter adds a rich, savory flavor that makes this simple vegetable side dish absolutely delicious.

This easy roasted butternut squash is perfect for Thanksgiving dinner, Christmas, fall family meals, or anytime you want a comforting and flavorful vegetable side dish.

Prep Time: 10 minutes
Cook Time: 45–60 minutes
Total Time: 55–70 minutes
Servings: 4

Why You’ll Love This Oven Roasted Butternut Squash

• Easy preparation: No peeling or chopping into cubes required.
• Simple ingredients: Made with butter, garlic, and pantry seasonings.
• Naturally sweet: Roasting brings out the squash’s delicious natural sweetness.
• Savory garlic butter flavor: A wonderful combination of buttery richness and aromatic garlic.
• Perfect for holidays: A beautiful side dish for Thanksgiving and Christmas.
• Versatile: Serve directly in the squash halves or scoop out the tender flesh.
• Budget-friendly: One butternut squash makes several servings.

Ingredients

• 1 medium butternut squash, approximately 2–3 pounds
• 3 tablespoons unsalted butter, melted
• 1 teaspoon garlic powder
• 1/2 teaspoon salt, or to taste
• 1/4 teaspoon black pepper
• 1/2 teaspoon dried thyme
• 1/2 teaspoon dried rosemary, optional
• 1 tablespoon olive oil, optional
• Fresh parsley or thyme, for garnish

How to Make Oven Roasted Butternut Squash

Step 1: Preheat the Oven

Preheat your oven to 400°F.

Line a large baking sheet with parchment paper or lightly grease a baking dish.

Step 2: Prepare the Butternut Squash

Wash the outside of the butternut squash and pat dry.

Place the squash on a sturdy cutting board.

Using a sharp knife, carefully slice the butternut squash in half lengthwise, from the stem end to the bottom.

Use a large spoon to scoop out the seeds and stringy center from each half.

You can discard the seeds or save them for roasting separately.

Step 3: Make the Garlic Butter

In a small microwave-safe bowl, melt the butter.

Add the garlic powder, salt, black pepper, thyme, and rosemary, if using.

Stir until the seasonings are evenly combined with the melted butter.

If desired, add a tablespoon of olive oil to the butter mixture.

Step 4: Brush the Squash with Garlic Butter

Place the butternut squash halves on the prepared baking sheet with the cut sides facing up.

Using a pastry brush, generously brush the cut surface of each squash half with the seasoned garlic butter.

Make sure to brush the butter over the entire surface, including the hollowed-out center.

Reserve a small amount of garlic butter for brushing over the squash after roasting, if desired.

Step 5: Roast the Butternut Squash

Place the baking sheet in the preheated oven.

Roast at 400°F for approximately 45–60 minutes, depending on the size of the squash.

The squash is ready when the flesh is fork-tender and the edges are lightly golden and caramelized.

Larger squash halves may require additional roasting time.

Step 6: Add More Garlic Butter

Carefully remove the roasted butternut squash from the oven.

Brush the warm squash with any remaining garlic butter that was reserved before brushing the raw squash.

For extra flavor, sprinkle with a little additional salt, pepper, or fresh herbs.

Step 7: Serve

Allow the squash to cool for a few minutes before serving.

You can serve the roasted butternut squash directly in its skin, cut each half into smaller portions, or scoop out the tender flesh with a spoon.

Garnish with fresh parsley or thyme and enjoy!

Jennie’s Thoughts

I love making butternut squash during the fall, especially when the weather starts getting cooler and I’m craving comforting homemade side dishes.

One of my favorite things about roasting butternut squash this way is how easy it is. You don’t have to spend time peeling the squash or cutting it into little cubes. Just slice it in half, scoop out the seeds, and brush it with delicious garlic butter.

The oven does the rest!

I especially love the way the butter and seasonings soak into the squash as it roasts. The edges become lightly golden, and the center turns soft, creamy, and almost buttery.

Butternut squash has such a wonderful natural sweetness, and I think the garlic, thyme, and rosemary complement it beautifully.

This is one of those simple recipes that looks lovely on a holiday table but is easy enough to make for an ordinary weeknight dinner.

It’s also delicious served alongside roasted chicken, turkey, pork chops, or a cozy fall meal.

Sometimes the simplest recipes really are the best!

Tips for the Best Roasted Butternut Squash

Choose a medium squash. A butternut squash weighing approximately 2–3 pounds is a great size for roasting.

Use a sharp knife. Butternut squash has a firm exterior, so use a sturdy cutting board and cut carefully.

Roast cut side up. This allows the seasoned butter to coat the flesh and encourages the exposed edges to caramelize.

Don’t skip the butter. Melted butter adds richness and helps create delicious flavor.

Use garlic powder for easy roasting. Garlic powder distributes evenly through the butter and is less likely to burn than minced fresh garlic.

Check for tenderness. A fork should slide easily into the thickest part of the squash when it’s fully cooked.

Add fresh herbs after roasting. Fresh parsley or thyme adds a beautiful finishing touch.

How Long Does Butternut Squash Take to Roast?

The roasting time depends on the size of the squash and the oven temperature.

At 400°F, a medium butternut squash sliced in half typically takes approximately 45–60 minutes to become tender.

Smaller squash halves may cook in 35–45 minutes, while larger squash may need 60–75 minutes.

The best way to tell when butternut squash is finished roasting is to insert a fork into the thickest part of the flesh.

If the fork slides in easily, the squash is ready.

The surface should also have some lightly golden areas, especially around the edges.

Do You Have to Peel Butternut Squash Before Roasting?

No!

That’s one of the reasons this recipe is so easy.

When roasting butternut squash in halves, you can leave the skin on throughout the cooking process.

The skin helps hold the squash together while the flesh becomes tender.

After roasting, you can scoop the soft flesh directly out of the skin with a spoon.

This saves time and makes preparation much easier.

What Does Roasted Butternut Squash Taste Like?

Roasted butternut squash has a naturally sweet, slightly nutty flavor and a soft, creamy texture.

When roasted with butter and garlic, it develops a delicious combination of savory and sweet flavors.

The edges become lightly caramelized, while the center stays tender.

The addition of thyme and rosemary gives the squash a warm, comforting flavor that pairs beautifully with fall and holiday meals.

Easy Roasted Butternut Squash Variations

Brown Sugar Butter Butternut Squash

Add 1–2 tablespoons of brown sugar to the melted butter for a sweeter holiday-style side dish. Omit the garlic and herbs if you prefer a classic sweet preparation.

Maple Roasted Butternut Squash

Drizzle the squash with 1–2 tablespoons of pure maple syrup during the last 15 minutes of roasting for a delicious maple flavor.

Garlic Parmesan Butternut Squash

Sprinkle freshly grated Parmesan cheese over the squash during the last 10 minutes of roasting.

Cinnamon Butter Butternut Squash

Replace the garlic and herbs with 1/2 teaspoon cinnamon and a pinch of nutmeg for a cozy fall variation.

Rosemary Garlic Butternut Squash

Add extra rosemary and a little fresh thyme for a more herb-forward savory side dish.

Honey Butter Butternut Squash

Brush the squash with a mixture of melted butter and honey during the last 10–15 minutes of roasting for a lightly sweet glaze.

What to Serve with Oven Roasted Butternut Squash

This easy vegetable side dish pairs beautifully with so many family dinners.

Some delicious serving ideas include:

• Herb Roasted Turkey
• Oven Baked Chicken
• Garlic Butter Pork Chops
• Homemade Meatloaf
• Roast Beef
• Baked Ham
• Thanksgiving Dressing
• Mashed Potatoes
• Green Beans with Bacon and Onion

It’s especially delicious as part of a Thanksgiving or Christmas dinner menu.

How to Store Leftover Roasted Butternut Squash

Allow the roasted squash to cool before storing.

Scoop the cooked flesh out of the skin or store the roasted halves in an airtight container.

Refrigerate for up to 4 days.

To reheat, place the squash in a baking dish and warm in a 350°F oven until heated through.

You can also reheat individual portions in the microwave.

Can You Freeze Roasted Butternut Squash?

Yes!

Roasted butternut squash freezes well, especially when the cooked flesh is removed from the skin.

Allow the squash to cool completely, then scoop the flesh into a freezer-safe container or bag.

Freeze for up to 3 months for best quality.

Thaw overnight in the refrigerator before reheating.

Frozen roasted butternut squash is also wonderful for making homemade soups, purees, and sauces.

Frequently Asked Questions

What temperature is best for roasting butternut squash?

400°F is a great temperature for roasting butternut squash halves. It allows the flesh to become tender while encouraging the edges to caramelize.

Do you roast butternut squash cut side up or down?

For this garlic butter recipe, roast the squash cut side up so the seasoned butter stays on the exposed flesh and the edges develop a lightly golden finish.

How do you know when butternut squash is done?

The squash is ready when a fork slides easily into the thickest part of the flesh.

Can I use fresh garlic instead of garlic powder?

Yes. For the best flavor without burning, add finely minced fresh garlic mixed with a little melted butter during the final 10–15 minutes of roasting.

Can I use olive oil instead of butter?

Absolutely! Olive oil works well and creates a delicious roasted flavor. You can also use a combination of butter and olive oil.

Can I prepare butternut squash ahead of time?

Yes. Slice the squash in half, remove the seeds, and refrigerate the prepared halves in a covered container for up to 24 hours before roasting.

Can I eat the skin of roasted butternut squash?

The skin is edible after cooking, although it may remain somewhat tough. Many people prefer to scoop out the tender roasted flesh and leave the skin behind.

More Delicious Fall Side Dishes

If you love this Oven Roasted Butternut Squash, try some of these other delicious fall and holiday recipes:

• Parmesan Rosemary Sweet Potato Rounds
• Easy Stovetop Candied Yams
• Crockpot Honey Maple Glazed Carrots
• Twice Baked Sweet Potatoes
• Sweet Potato Casserole Slices
• Green Beans with Bacon and Onion
• Baked Cabbage Steaks
• Crockpot Mashed Potatoes

The Perfect Easy Roasted Butternut Squash

This Oven Roasted Butternut Squash is a simple, delicious way to enjoy one of fall’s most popular vegetables.

With buttery garlic flavor, fragrant herbs, lightly caramelized edges, and a soft, creamy center, it’s a wonderful side dish for both everyday dinners and special occasions.

Whether you’re making it for Thanksgiving, Christmas, Sunday dinner, or a cozy fall meal, this easy garlic butter roasted butternut squash is a recipe you’ll want to make again and again!