If you are looking for a dish that perfectly balances the rustic charm of Mediterranean vegetables with the creamy, comforting texture of a custard-filled crust, then you absolutely must try this Roasted Ratatouille Quiche Recipe. It brings together the rich, roasted flavors of zucchini, eggplant, and bell peppers with a cheesy, velvety filling that will have everyone asking for seconds. Whether you’re serving brunch, lunch, or a light dinner, this quiche offers a delightful burst of flavor and a colorful presentation that brightens any table. Trust me, once you make this Roasted Ratatouille Quiche Recipe, it will quickly become one of your all-time favorites!

Ingredients You’ll Need
The magic of this Roasted Ratatouille Quiche Recipe lies in its simple yet powerful ingredients. Each item plays a vital role, contributing to the overall taste, texture, and vibrancy that make this quiche so irresistible.
- Pie crust: A flaky, tender base that cradles all the delicious fillings underneath.
- Medium zucchini: Adds moisture and a subtle sweetness with a satisfying bite.
- Medium eggplant: Brings an earthy depth and creamy texture when roasted.
- Red and yellow bell peppers: These brighten the dish with their natural sweetness and vivid colors.
- Small onion: Offers a mild pungency that enhances the roasted vegetables.
- Olive oil: Essential for roasting, it helps caramelize the veggies and imbues a fruity richness.
- Dried thyme: A fragrant herb that complements the Mediterranean vegetables perfectly.
- Garlic powder: Adds subtle warmth without overpowering the other flavors.
- Salt and pepper: The simplest seasoning that elevates every bite.
- Large eggs: The foundation of the custard, bringing richness and structure.
- Heavy cream: Makes the filling luxuriously smooth and silky.
- Shredded mozzarella cheese: Melts beautifully, giving the quiche a gooey, cheesy pull.
- Grated Parmesan cheese: Sprinkled in for a sharp, nutty contrast.
- Fresh basil (optional): A bright, herbal finish that adds a pop of color and fresh flavor.
How to Make Roasted Ratatouille Quiche Recipe
Step 1: Prepare the Oven and Vegetables
Begin by preheating your oven to 400°F (200°C) and lining a baking sheet with parchment paper. Preparing the vegetables for roasting is key to unlocking their caramelized, concentrated flavors that make this quiche so special.
Step 2: Season and Roast the Vegetables
Spread the zucchini, eggplant, red and yellow bell peppers, and onion on the prepared sheet. Drizzle everything with olive oil and evenly sprinkle thyme, garlic powder, salt, and pepper. Toss until every piece is well coated. Roasting at this stage creates a beautiful, caramelized texture and depth of flavor that a simple stew or sauté can’t match.
Step 3: Roast Until Tender and Caramelized
Place the vegetables in the oven for 20 to 25 minutes, stirring once halfway through to ensure even cooking. You want them tender with just a touch of golden caramelization. Once done, remove the veggies and let them cool slightly to avoid curdling your custard mixture later on.
Step 4: Lower Oven Temperature and Prepare Crust
Turn the heat down to 375°F (190°C) and fit your pie crust into a tart pan or pie dish. This preheating adjustment ensures the quiche will bake evenly without overcooking your crust.
Step 5: Make the Custard Mixture
In a bowl, whisk together the eggs and heavy cream until fully combined. Stir in the shredded mozzarella and grated Parmesan cheeses. Season with a pinch of salt and pepper—remember, the cheeses already add saltiness, so taste carefully. This rich custard is what holds everything together, creating that melt-in-your-mouth experience you crave.
Step 6: Assemble the Quiche
Once the roasted vegetables have cooled just enough to handle, spread them evenly across the pie crust. Pour the custard mixture over the top, making sure everything is distributed evenly. The combination of roasted veggies and cheesy custard will set beautifully into a cohesive and stunning quiche.
Step 7: Bake Until Set and Golden
Bake the quiche for 30 to 35 minutes. You are looking for a set custard with a light golden tint on top. To check doneness, insert a knife into the center; it should come out clean. This step is crucial to achieve the perfect texture: firm but creamy, with a gently browned top.
Step 8: Cool and Garnish
Allow the quiche to cool for a few minutes after baking. This resting time lets the filling finish setting and makes slicing easier. If you like, sprinkle freshly chopped basil on top for a burst of herbal brightness and an inviting appearance.
How to Serve Roasted Ratatouille Quiche Recipe

Garnishes
Fresh basil is a go-to garnish that adds visual appeal and a fragrant lift, but you can also try a light drizzle of high-quality olive oil or a sprinkle of red pepper flakes for a touch of heat. These simple additions highlight the layers of flavor within the quiche.
Side Dishes
This versatile quiche pairs beautifully with a crisp green salad dressed in lemon vinaigrette or a light tomato and cucumber salad for a refreshing contrast. For a heartier meal, try roasted baby potatoes or a bowl of warm, crusty bread to soak up every last bite.
Creative Ways to Present
For brunch gatherings, present individual slices on colorful plates garnished with microgreens or edible flowers. You can also serve this Roasted Ratatouille Quiche Recipe in a tart pan for a rustic, family-style look that encourages sharing and conversation. And don’t forget, the vibrant veggies make for a stunning and inviting centerpiece.
Make Ahead and Storage
Storing Leftovers
Leftover quiche can be stored in an airtight container in the refrigerator for up to 3 days. Simply cover it well to keep the crust from becoming soggy. It’s fantastic for quick lunches or easy dinners when you want something homemade but hassle-free.
Freezing
You can freeze this quiche by wrapping whole or sliced portions tightly in plastic wrap and then foil, or place slices in freezer-safe containers. It will keep well for up to 2 months. When ready to enjoy, thaw overnight in the refrigerator before reheating.
Reheating
To reheat, place slices in a preheated 350°F (175°C) oven for about 10 to 15 minutes until warmed through. This method preserves the crisp crust and creamy filling better than microwaving, which tends to make quiche rubbery or soggy.
FAQs
Can I use frozen vegetables instead of fresh for the Roasted Ratatouille Quiche Recipe?
Fresh vegetables are best for roasting because they caramelize better and provide the right texture. Frozen vegetables tend to release extra water and may make the quiche soggy. If you use frozen, make sure to thaw and dry them completely before roasting.
Is it possible to make the crust from scratch?
Absolutely! Making your own pie crust adds a lovely homemade touch. Use your favorite buttery, flaky pie dough recipe, and chill it thoroughly before lining your pan for the best results.
Can I substitute the cheeses in this recipe?
Yes, feel free to experiment. Gruyère or goat cheese can add an interesting twist, or you can use all mozzarella for a milder flavor. Just be mindful of salt content when adjusting cheeses.
How do I know when the quiche is fully cooked?
The quiche is done when the custard is set and no longer jiggles in the center. A clean knife inserted in the middle is also a good indicator. The top should have a light golden color but not be too browned.
Can this Roasted Ratatouille Quiche Recipe be made vegetarian or vegan?
It is naturally vegetarian if you use a vegetable-based crust and cheese. For a vegan version, substitute eggs and dairy with plant-based alternatives like silken tofu, cashew cream, or chickpea flour custard and vegan cheeses, though texture and flavor will vary.
Final Thoughts
This Roasted Ratatouille Quiche Recipe embodies everything I love about homemade comfort food with a fresh, vibrant twist. It’s the kind of dish that invites joy and sharing around the table, bursting with colors and flavors that celebrate seasonal vegetables. Give it a try, and I promise it will become a cherished staple in your recipe collection. Happy baking and bon appétit!
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Roasted Ratatouille Quiche Recipe
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour
- Yield: 6 servings
- Category: Quiche
- Method: Baking
- Cuisine: French
- Diet: Vegetarian
Description
A savory Roasted Ratatouille Quiche featuring tender, caramelized vegetables layered in a flaky pie crust and topped with a rich, cheesy egg custard. Perfect for brunch, lunch, or a light dinner, this quiche combines classic Mediterranean flavors with a comforting texture.
Ingredients
Pie Crust
- 1 pie crust (store-bought or homemade)
Roasted Vegetables
- 1 medium zucchini, sliced
- 1 medium eggplant, diced
- 1 red bell pepper, diced
- 1 yellow bell pepper, diced
- 1 small onion, diced
- 3 tbsp olive oil
- 1 tsp dried thyme
- 1/2 tsp garlic powder
- Salt and pepper, to taste
Egg Mixture
- 4 large eggs
- 1 cup heavy cream
- 1 cup shredded mozzarella cheese
- 1/2 cup grated Parmesan cheese
- Salt and pepper, to taste
Garnish
- Fresh basil, chopped (optional)
Instructions
- Preheat and Prepare for Roasting: Preheat your oven to 400°F (200°C) and line a baking sheet with parchment paper to ensure easy clean-up and prevent sticking.
- Toss Vegetables with Seasoning: Arrange the zucchini, eggplant, red and yellow bell peppers, and diced onion on the prepared baking sheet. Drizzle with 3 tablespoons of olive oil, then sprinkle with dried thyme, garlic powder, salt, and pepper. Toss everything to coat the vegetables evenly.
- Roast the Vegetables: Place the baking sheet in the oven and roast the vegetables for 20 to 25 minutes, stirring halfway through to promote even caramelization. Roast until the vegetables are tender and slightly browned, then remove and let cool slightly.
- Prepare the Pie Crust: Lower the oven temperature to 375°F (190°C). Place your pie crust into a tart pan or pie dish evenly, and set aside while you prepare the filling.
- Mix the Egg Mixture: In a medium bowl, whisk together the 4 large eggs and 1 cup of heavy cream until smooth. Stir in the shredded mozzarella and grated Parmesan cheese. Season with salt and pepper to taste.
- Assemble the Quiche: Once the roasted vegetables have cooled a bit, spread them evenly over the pie crust base. Pour the prepared egg and cheese mixture over the vegetables, ensuring everything is evenly distributed.
- Bake the Quiche: Place the assembled quiche in the oven and bake for 30 to 35 minutes. The quiche is done when the custard is set, the top is lightly golden, and a knife inserted in the center comes out clean.
- Cool and Serve: Allow the quiche to cool for a few minutes before slicing. Garnish with fresh chopped basil, if desired, and serve warm or at room temperature for the best flavor.
Notes
- Using a store-bought pie crust saves time, but homemade crust can add a personal touch.
- Feel free to substitute mozzarella with other melting cheeses like Gruyère or cheddar.
- Letting the roasted vegetables cool before assembling prevents a soggy crust.
- This quiche can be served warm or cold, making it versatile for meals or picnics.
- Leftovers can be refrigerated for up to 3 days and reheated gently.

