Name: Butternut Squash, Caramelized Onion, and Goat Cheese Quiche Recipe
Prep time: 25 min
Cook time: 40 min
Total time: 1 h 5 min
Cuisine: French-American
Ingredients: 1 each pie crust, rolled and fitted to 9″ pie plate (see post for tips and recipe link or use your favorite pastry crust); ¾ cup mozzarella or Monterrey Jack cheese, shredded; 4 oz goat cheese; 1 cup thinly sliced onions (¼” slices) (1-2 medium-small onions) (or substitute ½ cup caramelized onions); ¼ cup white wine, Madeira, sherry, or vermouth (can substitute vegetable stock or water); 2 tbsp butter or olive oil; ½ tsp thyme; Salt and freshly ground black pepper to taste; 1 cup butternut squash, peeled, roasted, sliced or diced; 2 tbsp olive oil or other vegetable oil; Salt and freshly ground black pepper to taste; 3 large eggs; 1 ½ cups whole milk, half and half, heavy cream, or a blend; 1 tsp thyme fresh leaves or dried; 1 tsp salt; ½ tsp black pepper (to taste); ⅛ tsp nutmeg, preferably a pinch of freshly grated nutmeg

Jump to Recipe· 4.3 from 25 reviews

If you’re looking for a dish that perfectly combines comforting autumn flavors with a touch of elegance, the Butternut Squash, Caramelized Onion, and Goat Cheese Quiche Recipe is an absolute must-try. This quiche is a harmonious blend of sweet, roasted butternut squash, deeply savory caramelized onions, and the creamy tang of goat cheese, all nestled in a buttery, flaky crust. It’s a true celebration of texture and taste, making it ideal for brunches, light dinners, or even a special occasion. Trust me, once you make this, it will quickly become one of your favorite go-to recipes!

Ingredients You’ll Need

The first layer shows cooked caramelized onions, light brown and soft, piled in a pan with a wooden spatula beside them. The second layer has bright orange roasted pumpkin slices with some golden brown edges, laid out on a shiny metal tray. The third layer is a close-up of a white pie dish containing an unbaked crust filled with the roasted pumpkin slices, dark mushrooms, and white crumbled cheese, all scattered evenly. The final fourth layer shows the pie filled with a creamy mixture speckled with herbs, smooth and pale yellow, ready for baking. The pie dish sits on a shiny metal tray over a white marbled surface. Photo taken with an iphone --ar 4:5 --v 7

These ingredients are wonderfully simple yet essential, each adding its own unique contribution to the beautiful balance of flavors and textures in this quiche. From the creamy goat cheese that melts delightfully to the perfectly roasted butternut squash bursting with natural sweetness, every component plays its part.

Pie crust: A rolled 9″ pie crust forms the sturdy, flaky base essential for perfect quiche structure.
Mozzarella or Monterrey Jack cheese (¾ cup shredded): Adds a subtle meltiness that complements the goat cheese without overpowering it.
Goat cheese (4 oz): Brings a creamy, slightly tangy richness that elevates the filling.
Onions (1 cup thinly sliced): When caramelized, they add a deep, sweet flavor and a lovely golden color.
White wine or Madeira (¼ cup): Enhances the onions by adding complexity and helps with deglazing the pan.
Butter or olive oil (2 tbsp): For sautéing the onions, adding richness and helping them caramelize evenly.
Thyme (½ tsp for onions, plus 1 tsp for custard): Offers a fragrant, woody herbaceousness that ties the flavors together.
Roasted butternut squash (1 cup): The star ingredient that lends a tender texture and a subtle sweetness.
Olive oil (2 tbsp): Used for roasting the squash and bringing out its natural flavors.
Salt and freshly ground black pepper: To taste, essential for seasoning every layer just right.
Eggs (3 large): Form the custard base that sets this quiche beautifully.
Milk or cream (1 ½ cups): Creates a rich, luscious custard; whole milk or a blend works perfectly.
Nutmeg (⅛ tsp): Adds a warm, subtle spice that complements the other flavors without overwhelming them.

How to Make Butternut Squash, Caramelized Onion, and Goat Cheese Quiche Recipe

Step 1: Caramelize the Onions

Start by gently heating a heavy pan on medium-high and add your sliced onions with a pinch of salt, pepper, and the thyme. As they soften, reduce to low heat, allowing the onions to slowly develop a gorgeous golden-brown color and natural sweetness. To keep them from sticking or burning, splash in a bit of white wine or stock whenever the pan looks dry. This slow cooking transforms ordinary onions into a luscious, flavorful base that’s nothing short of magical.

Step 2: Roast the Butternut Squash

Preheat your oven to between 375 and 425 degrees Fahrenheit. Peel and prep your butternut squash by removing seeds and slicing it evenly into half-inch cubes or slices. Toss it with olive oil, salt, and pepper, then roast on a sheet pan until the squash is tender and golden at the edges. Roasting intensifies the squash’s sweet flavor and gives it just the right texture to hold up in the quiche without becoming mushy.

Step 3: Prepare the Quiche Custard

In a mixing bowl, whisk together the eggs until smooth. Gradually add your choice of milk or cream, along with thyme, salt, pepper, and a pinch of freshly grated nutmeg. Whisk everything until well combined—this rich custard is the luscious glue that will hold your quiche filling together perfectly after baking.

Step 4: Assemble and Bake the Quiche

Heat your oven to 375 degrees Fahrenheit. Line the pie crust with the shredded mozzarella or Monterrey Jack cheese—this helps keep the crust from getting soggy. Evenly distribute the roasted butternut squash, dollops of goat cheese, and caramelized onions over the cheese layer. Pour the custard over the filling, letting it settle gently without disturbing the layers. Bake the quiche on a sheet pan (to catch any drips) for about 30 to 40 minutes, or until the center is just set and the top and crust have turned beautifully golden. Let it rest for 10 to 15 minutes before slicing to allow it to firm up for clean cuts.

How to Serve Butternut Squash, Caramelized Onion, and Goat Cheese Quiche Recipe

A slice of pie with two main layers sits on a white plate with a green plant design; the bottom layer is light beige and firm, likely a filling with small orange bits, topped with a creamy, yellowish cheese layer with browned, bubbly spots and sprinkled herbs. The crust is thick and golden brown, folded over the edge for a rustic look. Behind the plate, the rest of the pie, missing one slice, shows the same layers with the top golden cheese layer cohesively melted and speckled with herbs. The pie dish is clear glass resting on a metal tray, all on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Garnishes

To add a fresh burst and elevate presentation, sprinkle some chopped fresh thyme or parsley over each slice just before serving. A drizzle of good quality olive oil or a handful of toasted pine nuts also complements the earthy flavors wonderfully. Don’t hesitate to get creative with microgreens or edible flowers for a gorgeous touch if you’re serving guests.

Side Dishes

This quiche pairs beautifully with crisp, vibrant salads like a bitter arugula with lemon vinaigrette or a fresh spinach and citrus salad to refresh the palate. Roasted root vegetables or a simple tomato and cucumber salad balance the richness perfectly while keeping the meal light and satisfying.

Creative Ways to Present

Cut the quiche into petite wedges and serve on colorful plates with a dollop of herbed cream cheese or a zingy chutney on the side for extra flair. For brunch, consider serving alongside a warm, crusty baguette and a charcuterie board of seasonal fruits and nuts. A rustic wooden board presentation can turn this humble quiche into a centerpiece that invites everyone to dig in.

Make Ahead and Storage

Storing Leftovers

Leftover slices of the Butternut Squash, Caramelized Onion, and Goat Cheese Quiche Recipe can be stored in an airtight container in the refrigerator for up to 3 days. Keeping it chilled helps maintain the quiche’s texture and flavor so you can enjoy it just as much the next day as the first.

Freezing

If you want to save quiche for longer, wrap individual slices tightly in plastic wrap and place in a freezer-safe bag or container. Frozen quiche can keep well for up to 2 months. When you’re ready for a quick meal, it’s a lifesaver to have homemade goodness ready in your freezer.

Reheating

To reheat, it’s best to gently warm the quiche in a 350°F oven for about 15-20 minutes, uncovered, until heated through and the crust regains some crispness. Avoid microwaving if you want to keep the crust from getting soggy. This method revives the flavors and texture beautifully.

FAQs

Can I make this quiche vegetarian?

Absolutely! This recipe is naturally vegetarian since it doesn’t include any meat. The savory mix of butternut squash, caramelized onion, and goat cheese packs plenty of flavor and protein for a satisfying vegetarian meal.

What could I use instead of goat cheese?

If goat cheese isn’t your favorite, cream cheese or ricotta make excellent substitutes. They add creaminess but with a milder flavor, allowing the sweetness of the squash and richness of the onions to shine through.

Can I use frozen butternut squash?

Yes, frozen butternut squash can be used in a pinch. Just make sure to thaw and drain it well before roasting or sautéing to reduce extra moisture that could make the quiche soggy.

Is this recipe good for brunch?

Definitely! The Butternut Squash, Caramelized Onion, and Goat Cheese Quiche Recipe is a brunch favorite because it’s hearty yet elegant, and pairs well with coffee, tea, or light cocktails. It’s a crowd-pleaser that impresses without fuss.

How do I know when the quiche is done baking?

The quiche is done when the center is just set and no longer jiggles when you gently shake the pan. The crust and top should be a lovely golden brown. Letting it cool slightly before slicing will also help it firm up and slice cleanly.

Final Thoughts

This Butternut Squash, Caramelized Onion, and Goat Cheese Quiche Recipe is truly one of those dishes that captures the heart of what makes cooking so rewarding—simple ingredients transformed into a soul-satisfying meal. I hope you’ll give it a try soon and discover just how easy it is to create a quiche that’s rich in flavor, texture, and warmth. Once you do, this recipe might just become a beloved classic in your kitchen too!