Potato Crust Butternut Squash

Featured in: Warm Baked Comforts

This savory dish showcases a golden, crisp potato crust baked to perfection. Roasted butternut squash lends natural sweetness and caramelized depth, balanced by fragrant sage and sautéed spinach. The filling is enriched with eggs, cream, and Gruyère cheese for creamy, indulgent texture. Ideal for brunch or light dinners, this comforting modern European-style dish offers layered flavors and a satisfying bite that's both gluten-free and vegetarian-friendly.

Updated on Mon, 24 Nov 2025 11:01:00 GMT
Golden brown Potato Crust Quiche with roasted butternut squash, sage and melty Gruyère cheese. Save
Golden brown Potato Crust Quiche with roasted butternut squash, sage and melty Gruyère cheese. | rosewoodoven.com

A comforting, gluten-free quiche featuring a crisp potato crust, sweet roasted butternut squash, and fragrant sage, perfect for brunch or a light dinner.

This quiche has become a family favorite because of its unique potato crust and the sweetness of roasted butternut squash balanced by sage.

Ingredients

  • Potato Crust: 3 medium Yukon Gold potatoes, peeled, 2 tbsp olive oil, 1/2 tsp sea salt, 1/4 tsp black pepper
  • Roasted Butternut Squash: 2 cups butternut squash, peeled and diced (1/2-inch cubes), 1 tbsp olive oil, 1/2 tsp sea salt, 1/4 tsp black pepper
  • Filling: 1 tbsp unsalted butter, 1 small yellow onion, finely chopped, 2 cloves garlic, minced, 1 cup baby spinach, roughly chopped, 2 tbsp fresh sage leaves, finely chopped, 4 large eggs, 1 cup whole milk, 1/2 cup heavy cream, 1/2 tsp sea salt, 1/4 tsp black pepper, 1 cup grated Gruyère cheese

Instructions

Preheat Oven:
Preheat the oven to 400°F (200°C).
Prepare Crust:
Grate the potatoes using the large holes of a box grater. Place the grated potatoes in a clean kitchen towel and squeeze out excess moisture. Toss with olive oil, salt, and pepper. Press evenly into the bottom and sides of a 9-inch pie dish. Bake for 20 minutes until lightly golden.
Roast Squash:
Toss diced butternut squash with olive oil, salt, and pepper. Spread on a baking sheet lined with parchment and roast for 20 to 25 minutes until tender and caramelized. Let cool slightly.
Reduce Oven Temperature:
Lower oven temperature to 350°F (175°C).
Sauté Vegetables:
Melt butter in a skillet over medium heat. Cook onion for 4 to 5 minutes until soft. Stir in garlic and cook for 1 minute. Add spinach and cook until wilted. Remove from heat and stir in sage.
Mix Filling:
Whisk together eggs, milk, cream, salt, and pepper in a large bowl. Stir in sautéed vegetables, roasted squash, and 3/4 cup Gruyère cheese.
Assemble and Bake:
Pour filling into baked potato crust. Sprinkle remaining Gruyère on top. Bake for 35 to 40 minutes until center is just set and top is golden. Cool for at least 10 minutes before slicing.
A hearty slice of Potato Crust Quiche showcasing the vibrant squash and herbs inside. Save
A hearty slice of Potato Crust Quiche showcasing the vibrant squash and herbs inside. | rosewoodoven.com

This quiche always brings our family together, especially during weekend brunches when everyone asks for seconds.

Pairing Suggestions

Pair with a crisp white wine like Sauvignon Blanc for a refreshing complement to the rich quiche.

Storage Tips

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently to maintain crust crispness.

Variations

Add a pinch of nutmeg to the egg mixture for added warmth or swap sage for rosemary for an herbal twist.

Savory Potato Crust Quiche: Imagine a flaky crust with caramelized butternut squash and fresh sage. Save
Savory Potato Crust Quiche: Imagine a flaky crust with caramelized butternut squash and fresh sage. | rosewoodoven.com

This quiche is a delicious and satisfying dish that’s easier to make than it looks, perfect for impressing guests or enjoying at home.

Recipe Q&A Section

How do I make a crispy potato crust?

Grate Yukon Gold potatoes and squeeze out excess moisture before tossing with olive oil and seasoning. Press firmly into a pie dish and bake until golden for a crisp base.

What’s the best way to roast butternut squash?

Dice the squash into uniform cubes, toss with olive oil, salt, and pepper, then roast on parchment-lined baking sheet until tender and caramelized.

Can I substitute any ingredients for dietary preferences?

Yes, swap Yukon Gold potatoes with sweet potatoes for a different flavor or replace dairy with plant-based milk and cheese for a dairy-free version.

How should I store leftovers?

Keep leftovers refrigerated in an airtight container and consume within 3 days. Reheat gently to preserve texture and flavor.

What cooking tools are essential for preparation?

A 9-inch pie dish, box grater, mixing bowls, skillet, baking sheet, and whisk are necessary to prepare and cook this dish effectively.

Potato Crust Butternut Squash

A baked dish combining crispy potato crust with roasted butternut squash, sautéed greens, and aromatic sage.

Time to Prepare
30 min
Time to Cook
60 min
Complete Duration
90 min
Created by Clara Whitmore


Skill Level Medium

Cuisine Type Modern European

Serving Size 6 Portions

Dietary Details Meatless, Wheat-Free

What's Needed

Potato Crust

01 3 medium Yukon Gold potatoes, peeled
02 2 tablespoons olive oil
03 1/2 teaspoon sea salt
04 1/4 teaspoon black pepper

Roasted Butternut Squash

01 2 cups butternut squash, peeled and diced into 1/2-inch cubes
02 1 tablespoon olive oil
03 1/2 teaspoon sea salt
04 1/4 teaspoon black pepper

Filling

01 1 tablespoon unsalted butter
02 1 small yellow onion, finely chopped
03 2 cloves garlic, minced
04 1 cup baby spinach, roughly chopped
05 2 tablespoons fresh sage leaves, finely chopped
06 4 large eggs
07 1 cup whole milk
08 1/2 cup heavy cream
09 1/2 teaspoon sea salt
10 1/4 teaspoon black pepper
11 1 cup grated Gruyère cheese

How To Make It

Step 01

Preheat oven: Preheat the oven to 400°F.

Step 02

Prepare potato crust: Grate the peeled potatoes using the large holes of a box grater, then place them in a clean kitchen towel and squeeze out the excess moisture. Toss grated potatoes with olive oil, sea salt, and black pepper, then press evenly into the bottom and up the sides of a 9-inch pie dish. Bake for 20 minutes or until lightly golden.

Step 03

Roast butternut squash: Toss diced butternut squash with olive oil, sea salt, and black pepper. Spread on a parchment-lined baking sheet and roast for 20 to 25 minutes until tender and caramelized. Allow to cool slightly.

Step 04

Reduce oven temperature: Lower oven temperature to 350°F.

Step 05

Sauté vegetables: Melt unsalted butter in a skillet over medium heat. Cook chopped onion for 4 to 5 minutes until softened. Add minced garlic and cook for 1 minute more. Stir in baby spinach and cook until wilted. Remove from heat and mix in fresh sage.

Step 06

Combine filling: In a large bowl, whisk together eggs, whole milk, heavy cream, sea salt, and black pepper. Fold in sautéed vegetables, roasted butternut squash, and three-quarters of the grated Gruyère cheese.

Step 07

Assemble and bake: Pour filling into the pre-baked potato crust. Sprinkle the remaining Gruyère cheese atop the filling. Bake for 35 to 40 minutes until the center is set and the top is golden brown.

Step 08

Cool before serving: Allow to rest for at least 10 minutes before slicing and serving.

Essential Tools

  • 9-inch pie dish
  • Box grater
  • Mixing bowls
  • Skillet
  • Baking sheet
  • Whisk

Allergy Warnings

Look over every ingredient for possible allergens and check with your healthcare provider if unsure.
  • Contains eggs and dairy. Check labels for additives if sensitive.

Nutrition Details (each serving)

Nutritional numbers are simply a guide and shouldn't replace professional nutrition advice.
  • Energy (Calories): 320
  • Lipids: 18 g
  • Carbohydrates: 29 g
  • Proteins: 11 g