When autumn rolls in and the air begins to feel crisp, few dishes celebrate the season as beautifully as a Sage Butternut Squash Gratin. Comforting, creamy, aromatic, and visually stunning, this gratin transforms humble butternut squash into an elegant and irresistible side dish — one that easily steals the spotlight at holiday gatherings, Sunday dinners, or cozy weeknight meals.

This gratin brings together the natural sweetness of roasted butternut squash with the earthiness of fresh sage. Layered with a velvety cream sauce and topped with golden, bubbling cheese, every spoonful is a blend of soft, tender squash infused with warm, herbaceous flavor.

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Why This Gratin Works

• Sweet + Savory Harmony — The sweetness of butternut squash pairs perfectly with salty parmesan and earthy sage.
• Creamy, Elegant Texture — A rich cream sauce coats every cube of squash.
• Perfect for Holidays — The flavors scream “Thanksgiving” and “autumn.”
• Foolproof — No complicated steps, just layering, seasoning, and baking.

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INGREDIENTS

For the Gratin

• 4 cups cubed butternut squash
• 1 tablespoon olive oil
• 1 teaspoon salt
• ½ teaspoon black pepper
• 2 tablespoons butter
• 2 cloves garlic, minced
• 1 ½ cups heavy cream
• 6–8 fresh sage leaves, chopped
• ½ teaspoon nutmeg
• 1 cup shredded parmesan cheese
• 1 cup shredded gruyere or mozzarella

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INSTRUCTIONS

Prepare the Squash

1. Preheat oven to 375°F (190°C).
2. Toss butternut squash cubes with olive oil, salt, and pepper.
3. Roast for 20–25 minutes until slightly tender (not fully soft).

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Make the Sage Cream Sauce

4. Melt butter in a saucepan over medium heat.
5. Add minced garlic and sauté 30 seconds.
6. Stir in heavy cream, chopped sage, and nutmeg.
7. Simmer on low 3–4 minutes until lightly thickened.
8. Remove from heat and set aside.

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Assemble the Gratin

9. Place roasted squash in a baking dish.
10. Pour sage cream sauce over the top.
11. Sprinkle parmesan and gruyere evenly.

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Bake

12. Bake at 375°F (190°C) for 20–25 minutes until bubbling.
13. Broil 1–2 minutes for extra golden color, if desired.
14. Let rest 5 minutes before serving to set the sauce.

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Serving Ideas

• Pair with roasted meats, chicken, or turkey
• Serve as a vegetarian main with crusty bread
• Add crispy bacon or pancetta for a savory twist

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Storage

• Store leftovers for up to 3 days in the refrigerator
• Reheat uncovered in the oven for best texture

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