If you’re on the hunt for a cozy, elegant dish that feels like autumn on a plate, you’ve got to try my Butternut Squash Tart with Sage, Parmesan, and Caramelized Shallots Recipe. This tart is one of those recipes that always wows guests and makes weeknight dinners feel downright special. The combination of browned butter, nutty parmesan, sweet caramelized shallots, and crispy sage paired with tender butternut squash on flaky puff pastry is just irresistible.

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Why You’ll Love This Recipe

  • Comfort Meets Elegance: It’s a perfect blend of simple ingredients elevated into a stunning, flavorful tart.
  • Easy to Prep: Despite its fancy appearance, this tart is easy to assemble — no fuss, just deliciousness.
  • Seasonal Favorite: Butternut squash and sage make it ideal for fall and winter meals with cozy vibes.
  • Versatile for Any Occasion: Whether for a family dinner or holiday gathering, it’s a guaranteed crowd-pleaser.

Ingredients You’ll Need

Choosing quality ingredients is key here because each one shines in this recipe’s flavor harmony. The nutty parm and tender squash complement the aromatic sage and buttery puff pastry beautifully.

  • Round sheet puff pastry: Look for the kind that’s well thawed but still cool for easy handling and crisp results.
  • Medium butternut squash: Pick a firm, medium-sized squash – smaller ones tend to be sweeter and less watery.
  • Unsalted butter: Unsalted lets you control the salt perfectly, and butter browns so well for that rich nuttiness.
  • Sage leaves: Fresh leaves fry beautifully and offer that warm herbal note that ties the whole tart together.
  • Medium shallot: Adds a subtle sweetness when caramelized – don’t rush this step!
  • Kosher salt: Coarser salt helps season the squash and balance the flavors.
  • Sugar: Just a touch to help the shallots caramelize beautifully.
  • Parmesan cheese: Freshly grated gives a sharp, salty kick — and you’ll want extra to sprinkle on top at the end.
  • Maldon sea salt: For finishing – the flaky texture perks up each bite perfectly.
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Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Variations

I love how flexible this Butternut Squash Tart with Sage, Parmesan, and Caramelized Shallots Recipe is — it’s like a canvas for seasonal twists and personal flavors. Don’t be shy to play around with add-ins or swaps to make it your own.

  • Add toasted nuts: I sometimes sprinkle toasted pecans or walnuts on top for extra crunch and a little earthy flavor – my family goes nuts for it!
  • Swap the Parmesan: For a more pungent tang, try aged Gruyère or a sharp Asiago. Just be sure to use a cheese that melts well.
  • Dairy-free option: Use a vegan butter substitute and skip the cheese or use a plant-based parmesan alternative to make this dairy-free.
  • Herbs swap: If you’re out of sage, fresh thyme works wonderfully in the browned butter step, giving a slightly different but still warm herbal hint.

How to Make Butternut Squash Tart with Sage, Parmesan, and Caramelized Shallots Recipe

Step 1: Prep Your Butternut Squash Like a Pro

Start by slicing off the very ends of your butternut squash to create a stable base. Then, cut it horizontally into two parts—the thinner top and the round bottom. Peeling can be tricky here, but standing each part upright on a cutting board and using a sharp knife or a sturdy vegetable peeler helps me get even slices. Don’t forget to scoop out the seeds with a spoon before slicing your squash into evenly thin half-moons and half-circles. This prep ensures your tart cooks evenly and looks gorgeous.

Step 2: Get That Puff Pastry Ready

Place your defrosted puff pastry on a lined baking sheet and prick it all over with a fork. This keeps the crust from puffing up too much and gives you a nice flat base to layer all that gorgeous butternut goodness. Pro tip: keeping the pastry cool but pliable is key – if it gets too soft, pop it in the fridge for a few minutes before working with it.

Step 3: Brown Butter with Sage and Caramelize Those Shallots

In a skillet, melt your butter over medium-high heat and watch closely as it starts to brown on the edges and smell nutty. That aroma is where the magic is. Then toss in your fresh sage leaves—they sizzle quickly so just 30 seconds is perfect before you take them out (reserve for garnish). Lower your heat and add the thinly sliced shallots, cooking them low and slow until soft and golden; this usually takes around 8-10 minutes. Patience here pays off with caramelized sweetness that balances the tart beautifully.

Step 4: Toss, Layer, and Bake!

Combine the sliced butternut squash in a large bowl with the browned butter, caramelized shallots, parmesan, salt, and pepper. Give it a gentle toss to coat everything evenly without breaking the squash pieces. Then artfully layer the squash slices along the edge of your pastry in a circle, including the shallots for pockets of savory sweetness, and fill the middle with the remaining pieces. Pour any leftover buttery goodness over the top and scatter a little extra parmesan. Pop the tart into your preheated 425°F oven for about 25 minutes or until the pastry is golden and crisp and the squash has softened to tender perfection.

Step 5: Final Touches

Once out of the oven, arrange the reserved fried sage leaves on top — this simple garnish adds amazing crisp texture and an herby punch. Then finish with a sprinkle of Maldon sea salt and a bit more parmesan. Serve warm and watch your family or guests go crazy for it!

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Pro Tips for Making Butternut Squash Tart with Sage, Parmesan, and Caramelized Shallots Recipe

  • Sharp Knife is a Must: Cutting butternut squash thinly can be tough—using a sharp, sturdy chef’s knife makes the job safer and easier.
  • Don’t Skip Browning Butter: That nutty brown butter flavor is a game-changer and really elevates the whole recipe.
  • Caramelize Shallots Gently: Keep the heat low and don’t rush them, or they’ll burn and turn bitter instead of sweet.
  • Keep Puff Pastry Cool: If at any point it feels too soft and sticky, pop it in the fridge for 10 minutes—this helps it bake up crisp and flaky.

How to Serve Butternut Squash Tart with Sage, Parmesan, and Caramelized Shallots Recipe

The dish shows a round tart with three layers of thinly sliced orange sweet potatoes arranged in concentric circles on top of a golden crust. The outer layer has larger slices placed close together in a neat ring, the middle layer has slightly smaller pieces overlapping like petals moving inward, and the center layer forms a tight spiral of even smaller slices. The sweet potato is sprinkled with small bits of dark caramelized onions or herbs that add texture and color contrast. The tart rests on a piece of parchment paper over a white marbled surface with part of a striped cloth visible in the top left corner. photo taken with an iphone --ar 4:5 --v 7

Garnishes

I always go for fresh, fried sage leaves as a finishing touch – they add a toasty, crispy contrast that pairs perfectly with the soft squash. A sprinkle of flaky Maldon salt right before serving brings out the flavors even more. If I’m feeling fancy, a drizzle of good-quality olive oil or a scatter of toasted pumpkin seeds adds a nice touch.

Side Dishes

This tart shines alongside simple green salads dressed with tangy vinaigrettes or a light soup like roasted tomato or butternut squash bisque. For heartier meals, crusty bread and a smear of herb butter make for a cozy pairing that balances the richness beautifully.

Creative Ways to Present

For special occasions, I’ve tried creating mini tarts using cut puff pastry in a muffin tin, layering the squash and shallots the same way. These bite-sized versions are perfect for parties! Also, using decorative cutters or a lattice pattern with extra puff pastry strips can make the tart look festive and inviting. It’s a real showstopper on the holiday table.

Make Ahead and Storage

Storing Leftovers

I usually cover leftover slices tightly with plastic wrap or store them in an airtight container in the fridge. The tart keeps well for 2-3 days and reheats nicely. Just make sure to cool it completely before refrigerating to avoid soggy pastry.

Freezing

I’ve frozen leftover tarts with decent results by wrapping individual slices first in plastic wrap and then foil. It’s best to consume frozen leftovers within a month. When you want to enjoy it again, let it thaw overnight in the fridge for best texture.

Reheating

To reheat, I pop slices in a preheated oven at 350°F for about 10-15 minutes—this crisps the puff pastry back up and warms the squash perfectly. Avoid microwaving if you want to keep that flaky texture intact.

FAQs

  1. Can I use frozen butternut squash for this tart?

    You can use frozen squash in a pinch, but fresh always yields better texture and flavor. If using frozen, make sure to thaw it completely and pat dry to avoid soggy pastry and excess moisture during baking.

  2. What if I don’t have fresh sage?

    Fresh sage is ideal for frying since it crisps up nicely, but if you only have dried sage, sprinkle a small amount into the browned butter for flavor. You can also substitute thyme or rosemary for a different but equally delicious herbal note.

  3. Can I make this tart vegan?

    Absolutely! Swap the butter for a plant-based alternative and replace the Parmesan cheese with nutritional yeast or vegan cheese. The key is to brown the vegan butter for flavor and caramelize the shallots as usual.

  4. How thin should I slice the butternut squash?

    Aim for about 1/8-inch thick slices. Thin slices cook evenly and layer nicely on the pastry without making it soggy or too heavy.

  5. Can I prepare the tart ahead of time?

    Yes! You can assemble the tart up to a few hours before baking. Keep it covered in the fridge and bring it back to room temperature before popping it in the oven for even baking.

Final Thoughts

This Butternut Squash Tart with Sage, Parmesan, and Caramelized Shallots Recipe has become one of my go-to dishes when I want to impress without stress. It feels gourmet but is surprisingly manageable to pull together, and every bite is packed with comforting fall flavors. I hope you’ll love making and sharing it as much as my family and I do. Give it a try, and I promise it’ll fast become a favorite in your kitchen too!

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Butternut Squash Tart with Sage, Parmesan, and Caramelized Shallots Recipe

4.8 from 146 reviews
  • Author: Julia
  • Prep Time: 25 min
  • Cook Time: 25 min
  • Total Time: 50 min
  • Yield: 8 slices
  • Category: Appetizer
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

This Butternut Squash Tart combines the natural sweetness of roasted butternut squash with the rich flavors of brown butter, caramelized shallots, and parmesan cheese, all layered beautifully on a crispy puff pastry base. Finished with crispy fried sage leaves and flaky Maldon sea salt, this tart offers a stunning presentation and a delicious balance of textures and flavors, perfect for a sophisticated appetizer or a delightful main dish.


Ingredients

Puff Pastry

  • 1 round sheet puff pastry, defrosted

Squash and Topping

  • 1 medium butternut squash
  • 3 tbsp unsalted butter
  • 8 sage leaves
  • 1 medium shallot, thinly sliced
  • 1/2 tsp kosher salt
  • 1 tsp sugar
  • 1/2 cup shredded or grated parmesan cheese, plus more for garnish
  • Maldon sea salt for finishing


Instructions

  1. Preheat Oven: Preheat your oven to 425°F (220°C) to prepare for baking the tart.
  2. Prepare the Butternut Squash: Slice off the top and bottom 1/2-inch of the squash. Cut it horizontally into the top thinner half and the bottom round half. Peel both halves carefully using a sharp knife or vegetable peeler. Cut each half vertically to create four pieces. Remove all membranes and seeds with a spoon. Slice the pieces thinly into half circles and half moons as appropriate for even layering.
  3. Prepare Puff Pastry: Lay the defrosted puff pastry sheet on a baking sheet lined with parchment paper. Prick the pastry all over evenly with a fork to prevent bubbling during baking.
  4. Brown the Butter and Fry Sage: In a medium skillet, melt the butter over medium-high heat. Let it brown gently until it turns a deep golden-brown color with a nutty aroma, swirling the pan often. Add the sage leaves and fry them for about 30 seconds until crisp. Remove and reserve the fried sage leaves. Reduce the heat.
  5. Caramelize Shallots: Add the sliced shallots to the browned butter in the skillet. Cook over medium-low heat until they are soft and caramelized, about 8 to 10 minutes, stirring occasionally to prevent burning.
  6. Mix Squash with Butter and Seasoning: In a large bowl, combine the sliced butternut squash with the browned butter, caramelized shallots, parmesan cheese, kosher salt, and sugar. Toss everything gently to coat evenly.
  7. Assemble the Tart: Arrange the half circle slices of squash around the edge of the puff pastry, including some caramelized shallots. Layer the half moon slices inside the first circle and fill the center with any remaining squash slices. Pour any leftover browned butter over the top and scatter any remaining shallots and parmesan cheese evenly.
  8. Bake the Tart: Place the assembled tart in the preheated oven and bake for about 25 minutes until the butternut squash is tender and the puff pastry is golden brown and crispy.
  9. Garnish and Serve: Top the baked tart with the reserved fried sage leaves, sprinkle extra parmesan cheese, and finish with flaky Maldon sea salt for added texture and flavor. Serve warm.

Notes

  • This tart is visually stunning and packed with flavor, balancing sweet butternut squash with nutty brown butter and savory parmesan.
  • Use a sharp chef’s knife or vegetable peeler to safely and efficiently peel the squash.
  • Pricking the puff pastry helps prevent bubbles and ensures an even, crispy crust.
  • Brown butter and frying the sage add rich, deep flavors that elevate this simple tart.
  • Caramelizing shallots slowly ensures they develop sweetness and enhance the overall flavor profile.
  • Adjust salt seasoning to taste, especially considering the saltiness of parmesan and Maldon sea salt finishing.

Nutrition

  • Serving Size: 1 slice
  • Calories: 288 kcal
  • Sugar: 3 g
  • Sodium: 326 mg
  • Fat: 19 g
  • Saturated Fat: 7 g
  • Unsaturated Fat: 11 g
  • Trans Fat: 0 g
  • Carbohydrates: 26 g
  • Fiber: 2 g
  • Protein: 6 g
  • Cholesterol: 16 mg

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