Sage Butternut Squash Gratin Recipe for a Cozy Fall Side Dish

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by Hannah Reed

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Sage Butternut Squash Gratin

Sage Butternut Squash Gratin is like a cozy hug in a baking dish. Imagine the mellow sweetness of roasted butternut squash, perfectly mellowed with fragrant sage and cream, all topped with a golden crust of cheese and nuts that crackles when you dig in. Just the aroma alone can transport you to a crisp autumn evening filled with laughter and the warmth of loved ones gathered around the table.

This dish is a memory-maker, perfect for Thanksgiving, family gatherings, or a quiet Sunday supper when you want to treat yourself. Its creamy richness and satisfying textures evoke that perfect feeling of contentment. With every bite, you’ll savor the nutty undertones of sage and the buttery goodness of the squash, promising an indulgent experience that even your most health-conscious friends will appreciate!

Why You'll Love This Sage Butternut Squash Gratin

  • This amazing Sage Butternut Squash Gratin is a showstopper perfect for your next family meal.
  • The dish bursts with flavors and has textures that are both creamy and crunchy.
  • Ideal for showcasing fresh, seasonal produce, it’s visually appealing for any table setting.
  • Embrace its versatility as a side dish or a main attraction for your fall dinners.

Ingredients for Sage Butternut Squash Gratin

Here’s what you’ll need to make this delicious Sage Butternut Squash Gratin:

2 lb butternut squash – peeled and sliced into 1/8-inch disks; fresh butternut squash will give the best flavor and texture.

2 tablespoons olive oil or butter – use either to sauté your leeks for added richness.

2 medium leeks – thinly sliced; they add a lovely onion flavor without overpowering the dish.

4 garlic cloves – roughly chopped; they impart a fragrant aroma that complements the sweetness of the squash.

15 sage leaves – chopped (plus 8 more for garnish if desired); this herb enhances the earthy tones of butternut.

1 cup heavy cream – or substitute coconut milk for a dairy-free option; it adds creaminess without weighing down the flavors.

1/2 teaspoon salt – season to enhance the flavors without overpowering.

1/2 teaspoon pepper – freshly ground black pepper brings some subtle heat.

1/2 teaspoon nutmeg – this spice provides warmth and depth, truly bringing the dish into the fall vibe.

1/2 teaspoon onion powder – optional; a handy way to boost the onion flavor if you love it.

1/4 cup water – added to the baking dish to keep the gratin from drying out while baking.

3 ounces gruyere cheese – or substitute parmesan or vegan parmesan for a delightful cheesy topping that gets crunchy.

1/2 cup walnuts – chopped; they add a lovely crunch and nutty flavor that contrasts beautifully with the soft squash.

How to Make Sage Butternut Squash Gratin

Follow these simple steps to prepare this delicious Sage Butternut Squash Gratin:

Step 1: Preheat Your Oven
Start by preheating your oven to 375°F (190°C). This step is crucial as it ensures even cooking for our gratin.

Step 2: Prepare the Butternut Squash
Peel the butternut squash and slice it into 1/8-inch disks. Set aside the prettiest slices for the top layer, as we want this dish to be as eye-catching as it is delicious.

Step 3: Sauté the Leeks
In a large skillet, heat your olive oil or butter over medium heat. Add the sliced leeks and sauté them for about 8-10 minutes, covering them halfway through to soften. Then, add the garlic, chopped sage, and a pinch of salt, cooking for an additional 2-3 minutes until fragrant.

Step 4: Prepare the Cream Mixture
In a medium bowl, whisk together the heavy cream, salt, pepper, nutmeg, and onion powder (if using). This rich mixture is what makes the gratin all creamy and dreamy.

Step 5: Assemble the Gratin
Grease a large 9×13-inch or an 11-12 inch round baking dish, then pour in 1/4 cup water. Begin layering the butternut squash, slightly overlapping the slices. Sprinkle half of the sautéed leeks atop, drizzling with a third of the cream mixture, and then layer with one ounce of gruyere.

Step 6: Completing the Layers
Repeat the layering process with a second batch of squash, using any oddly shaped pieces. Add the remaining leeks, drizzle another third cup of cream mixture, and top with more grated gruyere. Finally, finish with a third layer of squash, pressing it down slightly to avoid a dome effect. Drizzle the remaining cream over the top, sprinkle with cheese and walnuts.

Step 7: Bake to Perfection
Cover the dish with parchment paper and aluminum foil (the parchment acts as a barrier). Bake for 45 minutes, then uncover the dish to check if the squash is tender using a knife. If it’s good, crank the heat to 400°F (200°C) and bake for another 15 minutes, letting the top get golden brown and irresistibly crispy.

Step 8: Garnish and Serve
For an extra flourish, you can sauté a few whole sage leaves in oil or butter until crispy. Drain them on a paper towel and arrange atop your finished gratin. This not only adds a lovely visual element but also an additional punch of flavor.

Transform your family dinner with this Sage Butternut Squash Gratin and watch it become a cherished recipe, just like it has for many thankful gatherings. Enjoy every bite of this comforting dish!

Sage Butternut Squash Gratin Recipe for a Cozy Fall Side Dish

You Must Know About Sage Butternut Squash Gratin

  • This amazing Sage Butternut Squash Gratin offers more than just flavor; it makes meal prep a breeze.
  • You can easily customize the ingredients based on what you have on hand.
  • The vibrant colors and aromas make it visually stunning on any dinner table.
  • Perfect for grilling but versatile enough for baking or pan-searing.

Perfecting Sage Butternut Squash Gratin Cooking Process

To achieve the best results with your Sage Butternut Squash Gratin, begin by sautéing the leeks and garlic. Follow this by layering the squash, adding the cream mixture, and finishing with the cheese. This sequence ensures a harmonious blend of flavors and textures.

Add Your Touch to Sage Butternut Squash Gratin

Feel free to customize your Sage Butternut Squash Gratin by swapping butternut squash for sweet potatoes or adding spices like cayenne for a kick. You could even incorporate other herbs such as thyme or rosemary if you’re feeling adventurous.

Storing & Reheating Sage Butternut Squash Gratin

To store your Sage Butternut Squash Gratin, cover it tightly with plastic wrap or aluminum foil and refrigerate for up to three days. When reheating, simply pop it in the oven at 350°F until warmed through for the best texture.

Chef's Helpful Tips for Sage Butternut Squash Gratin

  • This amazing Sage Butternut Squash Gratin offers more than just flavor; it makes meal prep a breeze.
  • You can easily customize the ingredients based on what you have on hand.
  • The vibrant colors and aromas make it visually stunning on any dinner table.
  • Perfect for grilling but versatile enough for baking or pan-searing.

Often, the simplest advice makes a difference in the kitchen. I remember the first time I served this gratin; my friends were speechless while I blissfully enjoyed every bite.

Sage Butternut Squash Gratin Recipe for a Cozy Fall Side Dish

FAQs About Sage Butternut Squash Gratin

What is Sage Butternut Squash Gratin?

Sage Butternut Squash Gratin is a delicious dish that combines layers of thinly sliced butternut squash with sautéed leeks, garlic, and fresh sage, all baked in a rich cream sauce. Topped with melted gruyere cheese and crunchy walnuts, this gratin is both comforting and visually stunning, making it a perfect side dish for any fall gathering or holiday meal. With a warm, inviting flavor profile, it’s sure to impress friends and family, making it a true crowd-pleaser.

How long does it take to prepare Sage Butternut Squash Gratin?

The total time for preparing Sage Butternut Squash Gratin is about 1 hour and 40 minutes. This includes around 40 minutes for prep work and 60 minutes for baking. While that may sound like a lengthy process, the hands-on time is relatively short. Most of the cooking involves layering the squash and letting it bake, allowing you to multitask or relax while the gratin cooks to perfection in the oven.

Can I customize my Sage Butternut Squash Gratin?

Absolutely! Sage Butternut Squash Gratin is a versatile dish that you can easily customize based on seasonal ingredients or your taste preferences. You can substitute butternut squash with sweet potatoes, add a hint of spice with cayenne pepper, or even include other herbs like thyme or rosemary to match your palate. Let your creativity shine as you adapt this gratin to make it uniquely yours.

Is Sage Butternut Squash Gratin suitable for vegetarians?

Yes, Sage Butternut Squash Gratin is a vegetarian-friendly dish. It relies on wholesome plant-based ingredients such as butternut squash, leeks, garlic, and herbs, creating a rich and satisfying flavor without any meat. For vegan adaptations, swap heavy cream with coconut milk and use a plant-based cheese alternative. This way, everyone can enjoy this delicious gratin, regardless of their dietary restrictions.

Conclusion for Sage Butternut Squash Gratin

In conclusion, Sage Butternut Squash Gratin is a delightful side dish that captures the essence of fall flavors with every bite. Its combination of creamy layers, earthy sage, and crunchy walnuts creates a harmonious balance that is both comforting and elegant. Whether you serve it at a festive gathering or as part of a cozy weeknight dinner, your guests will surely be impressed. Embrace the season with this comforting dish, and make your Sage Butternut Squash Gratin a staple in your culinary repertoire.

Sage Butternut Squash Gratin

Sage Butternut Squash Gratin

Savor the flavors of fall with this creamy, cheesy Sage Butternut Squash Gratin, a perfect side dish that impresses at any gathering.
Prep Time 40 minutes
Cook Time 1 hour
Total Time 1 hour 40 minutes
Servings: 8 slices
Course: Dinner Recipes
Cuisine: American
Calories: 201

Ingredients
  

Vegetables
  • 2 lb butternut squash, peeled, sliced to 1/8 inch disks
  • 2 medium leeks, thinly sliced rinsed
  • 4 cloves garlic, rough chopped
  • 15 leaves sage, chopped 8 more for garnish - optional
Dairy
  • 1 cup heavy cream or sub coconut milk
  • 3 ounces gruyere cheese or sub parmesan or vegan parmesan
Pantry Staples
  • 2 tablespoons olive oil or butter
  • 1/2 teaspoon salt
  • 1/2 teaspoon pepper
  • 1/2 teaspoon nutmeg
  • 1/2 teaspoon onion powder optional
  • 1/4 cup water
  • 1/2 cup walnuts, chopped

Equipment

  • large skillet
  • 9 x 13-inch baking dish
  • medium bowl

Method
 

Preparation and Cooking
  1. Preheat oven to 375°F.
  2. Peel and thinly slice the butternut squash into 1/8-inch thick rounds. Set aside 12-15 of the “prettiest” slices for the top of the gratin.
  3. Slice and rinse the leeks. Heat oil or butter in a large skillet over medium heat. Sauté the leeks for 8-10 minutes, covering part way through. Add the garlic, sage, and a pinch of salt, and cook for 2-3 more minutes. Turn off the heat.
  4. Whisk the cream with the salt, pepper, nutmeg, and onion powder in a medium bowl.
  5. Grease a large baking dish and add 1/4 cup water to the bottom of the pan.
  6. Layer the butternut squash overlapping slightly. Sprinkle with half of the sautéed leeks, drizzle with 1/3 cup cream mixture, and sprinkle with one ounce of gruyere.
  7. Add the second layer of butternut, using up any misshapen pieces. Scatter with the remaining leeks, drizzle with another 1/3 cup cream mixture, and sprinkle with grated gruyere cheese.
  8. Add the final layer of butternut, pressing down to avoid a dome in the middle. Drizzle the remaining cream mixture over the top, lightly sprinkle with cheese and the walnuts.
  9. Cover the dish using parchment as a barrier under the foil.
  10. Bake covered for 45 minutes. Uncover, confirm the butternut is tender using the tip of a knife, then bake at 400°F uncovered for 15 minutes until golden.
  11. To make the crispy sage leaf garnish, heat 1-2 tablespoons of oil or butter in a pan over medium heat, add 8 whole sage leaves, and sauté each side for about 30 seconds until crisp. Place on a paper towel to cool, then arrange over the gratin.

Nutrition

Serving: 1sliceCalories: 201kcalCarbohydrates: 19.3gProtein: 5.4gFat: 12.7gSodium: 239.5mgFiber: 3.1gSugar: 4.3g

Notes

Customize by swapping butternut squash for sweet potatoes or adding other herbs.

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