Why You’ll Love This Zucchini Quiche
Author: Stella Romano
My blog shares my passion for cooking by offering a variety of recipes that are simple and accessible to everyone. My ambition is to inspire readers to try new flavors, cook with joy, and create memorable moments around the table.
This zucchini quiche is a weeknight winner for busy cooks, students, parents, and anyone who wants a tasty, protein-rich meal that doubles as breakfast, lunch, or dinner. The recipe title mentions a crustless version, and below I include the classic crusted version as provided plus an easy crustless swap so you can pick what fits your time and pantry.
- Ease of preparation: This zucchini quiche comes together quickly with simple steps: par-bake the crust, sauté zucchini and onions, mix a creamy egg-cheese custard, and bake. Active prep time is about 15 minutes and total time is roughly 1 hour 30 minutes, so it fits into a relaxed evening or weekend routine.
- Health benefits: With 6 large eggs, part-skim ricotta and mozzarella, and fresh zucchini, this recipe balances protein and vegetables. Zucchini is low in calories and provides vitamins and fiber. For more on zucchini nutrition, see + $(‘AI Agent’).item.json.output.Anchor1 +.
- Versatility: The quiche adapts easily: make it crustless for fewer carbs, swap cheeses or herbs for dietary preferences, or use yellow squash instead of zucchini. It works for meal prep, potlucks, and simple family dinners.
- Distinctive flavor: The mild sweetness of sautéed zucchini and red onion pairs with ricotta, melty mozzarella, and sharp Parmesan. Fresh basil brightens the filling and gives each slice a herbaceous finish.
Par-baking the crust and sautéing the zucchini are the small steps that deliver a reliably crisp bottom and a custard that is set but tender.
Ingredients
Follow this structured list for exact measurements and everything you need for the recipe.
- 1 9-inch refrigerated pie dough
- 1 tablespoon olive oil
- 1/4 cup diced red onion
- 1 large garlic clove, minced
- 2 medium zucchini (about 7 ounces each), sliced thin
- 1 teaspoon salt (divided)
- Pepper to taste
- 6 large eggs
- 1/2 cup skim milk
- 1/2 cup part-skim ricotta cheese
- 1/2 cup part-skim shredded mozzarella cheese
- 1/4 cup grated Parmesan cheese (divided)
- 2 tablespoons chopped basil, plus more for garnish
How to Prepare the Perfect Zucchini Quiche: Step-by-Step Guide
This section walks you from mise en place to plating. Each step includes timing and temperature details so the quiche turns out consistently.
First Step: Prep and par-bake the crust
- Preheat oven to 350°F.
- On a lightly floured surface, roll the 9-inch refrigerated pie dough to about a 12-inch diameter. Fit it into a 9-inch deep pie dish, trim excess, and crimp the edges. Prick the crust bottom a few times with a fork to prevent bubbles.
- Place the fitted crust on a baking sheet and par-bake for 10 to 15 minutes until it is lightly baked and just beginning to color. This step helps prevent a soggy bottom when the moist zucchini filling is added.
Second Step: Sauté the aromatics and zucchini
Use a medium skillet for this step.
- Heat 1 tablespoon olive oil in a skillet over medium heat.
- Add 1/4 cup diced red onion and 1 large minced garlic clove; sauté for about 30 seconds until aromatic.
- Add the thinly sliced zucchini, 1/2 teaspoon of the 1 teaspoon salt, and pepper to taste. Cook 7 to 8 minutes, stirring occasionally, until the zucchini softens and excess moisture mostly evaporates.
- Use a slotted spoon to transfer three-quarters of the cooked zucchini to the par-baked crust, leaving some in the pan for seasoning adjustments.
Third Step: Make the custard
In a medium bowl, whisk the custard ingredients until smooth.
- Crack 6 large eggs into a bowl and add 1/2 cup skim milk.
- Fold in 1/2 cup part-skim ricotta, 1/2 cup part-skim shredded mozzarella, 2 tablespoons of the grated Parmesan, and 2 tablespoons chopped basil.
- Add the remaining 1/2 teaspoon salt and pepper to taste, then mix until evenly combined.
Fourth Step: Assemble the quiche
- Pour the egg and cheese mixture over the zucchini in the par-baked crust, spreading gently so it settles around the vegetables.
- Top with the remaining cooked zucchini and sprinkle the remaining 2 tablespoons grated Parmesan across the top.
- To prevent the crust edges from browning too quickly, cover them with foil or a pie crust shield.
Final Step: Bake and rest
- Bake at 350°F for 50 minutes to 1 hour, until the eggs are set and the top is nicely browned. A knife inserted near the center should come out clean.
- Remove from oven and cool for at least 10 minutes before slicing to allow the custard to settle for clean slices.
- Garnish with additional chopped basil and serve warm or at room temperature.
Timing summary:
- Prep time: 15 minutes
- Par-baking crust: 10-15 minutes
- Baking: 50 minutes to 1 hour
- Total time: Approximately 1 hour 30 minutes
Crustless option
If you want the “crustless” version mentioned in the title, skip the pie dough and pour the custard and zucchini into a well-greased 9-inch pie pan or casserole dish. Reduce the bake time to about 30-35 minutes at 350°F or until set. The crustless quiche is lower in carbs and perfect for meal prep.
Dietary Substitutions to Customize Your Zucchini Quiche
Two focused subsections below cover protein swaps and vegetable or seasoning swaps so you can adapt this zucchini quiche to dietary needs or what you have on hand.
Protein and Main Component Alternatives
If you need more protein, different types of protein, or want a vegetarian-friendly twist, try these options.
- To make it lower in fat: Use more egg whites and fewer whole eggs (for example, 3 whole eggs plus 6 egg whites) and keep part-skim dairy.
- For a meat version: Add cooked, crumbled bacon, diced ham, or cooked sausage. Sauté before adding to release oils and drain excess fat so the quiche does not become greasy.
- Vegetarian and rennet-free cheeses: Choose cheeses labeled “vegetarian” if you avoid animal-based rennet. Ricotta and mozzarella often have vegetarian versions available.
- Dairy-free/vegan swap: Use a silken tofu base blended with nutritional yeast, a pinch of kala namak for eggy flavor, and vegan shredded cheese. Bake until firm; texture will differ from the classic custard.
Vegetable, Sauce, and Seasoning Modifications
Here are easy ways to change the veggie mix or flavor profile.
- Vegetable swaps: Replace zucchini with yellow squash, thinly sliced potatoes, or sauteed spinach. If using watery greens like spinach, squeeze out excess liquid before adding.
- Onion alternatives: Use shallots, green onions, or sweet white onion depending on how mild or sharp you want the base flavor.
- Cheese swaps: Try sharp cheddar for a bolder flavor or Pecorino Romano for a saltier note. Reduce added salt if using a very salty cheese.
- Herbs and seasoning: Swap basil for chopped rosemary or thyme for an earthier profile. Add nutmeg (a small pinch) to the custard for a warm undertone often used in custard-based bakes.
Mastering Zucchini Quiche: Advanced Tips and Variations
This section offers pro-level tricks, creative flavor variations, and presentation ideas to make the quiche shine for casual meals or when entertaining.
Pro cooking techniques
Small technique changes yield a big difference in texture and flavor.
- Salt the zucchini while slicing and let it sit 10 to 15 minutes, then squeeze out moisture. This concentrates flavor and reduces sogginess even more than sautéing alone.
- Use a slotted spoon when transferring sautéed zucchini to keep excess oil or liquid out of the custard.
- For an extra-rich custard, substitute up to 1/4 cup of the milk with half-and-half. Keep in mind this increases calories and fat.
- If the center browns too quickly while baking, tent the quiche with foil after 30 minutes to prevent over-browning.
Flavor variations
Try these combos to change the overall profile.
- Mediterranean: Add chopped sun-dried tomatoes, kalamata olives, and crumbled feta in place of ricotta.
- Italian twist: Add a teaspoon of dried oregano and swap basil for fresh parsley. Use Pecorino Romano instead of Parmesan for a sharper bite.
- Herbed goat cheese: Replace ricotta with softened goat cheese for a tangy custard and use chives instead of basil.
Presentation tips
Serve slices warm with simple garnishes for a polished plate.
- Garnish with a sprinkle of fresh basil and a few grinds of black pepper right before serving.
- Serve with a crisp green salad and light vinaigrette to balance the richness.
- For brunch, offer lemon wedges on the side and a bowl of mixed olives for contrast.
Make-ahead options
Plan to save time on busy days.
- Assemble the quiche up to the point of baking and refrigerate, covered, for up to 24 hours. Remove from fridge 20 minutes before baking to take off chill for even cooking.
- Bake fully and refrigerate for up to 4 days. Reheat slices in a 350°F oven for 10 to 15 minutes or until warmed through.
- Freeze individual slices wrapped tightly for up to 3 months. Thaw overnight in the refrigerator before reheating. These tips make the quiche a reliable meal-prep option.
How to Store Zucchini Quiche: Best Practices
Proper storage keeps the quiche safe and preserves its texture. Below are clear instructions for refrigeration, freezing, reheating, and batch cooking.
Refrigeration
Cool the quiche completely at room temperature no longer than two hours after baking. Wrap the whole quiche or individual slices tightly with plastic wrap or store in an airtight container. Refrigerate for up to 4 days.
Freezing
Freeze baked and cooled quiche up to 3 months. For best results:
- Slice the quiche into portions.
- Wrap each slice in plastic wrap, then a layer of foil, or place in a freezer-safe bag and press out air.
- Label with date and freeze. To thaw, move slices to the refrigerator overnight.
Reheating
For a crisp crust, reheat slices in a 350°F oven for 12 to 18 minutes until warmed through. For speed, microwave on medium for 2 to 3 minutes, though the crust will be softer. If reheating from frozen, bake at 350°F for 20 to 25 minutes after thawing slightly, or microwave on a defrost setting before finishing in the oven.
Meal prep considerations
One 9-inch quiche yields 6 generous slices. Combine with a salad, roasted vegetables, or a protein for balanced meals. For busy weeks, make two quiches and freeze one for a quick dinner later. For pairing ideas, try this quiche with pan-seared grilled chicken breast or a bowl of pesto pasta for a colorful spread.
Nutrition
The table below shows the nutritional information per 1/6 slice as provided with the recipe.
| Nutrient | Per 1/6 slice |
|---|---|
| Calories | 307 |
| Protein | 15 grams |
| Carbohydrates | 21 grams |
| Fat | 19 grams |
| Saturated Fat | 7.5 grams |
| Cholesterol | 202 mg |
| Sodium | 544 mg |
| Fiber | 1 gram |
| Sugar | 5 grams |
FAQs: Frequently Asked Questions About Zucchini Quiche
What cheeses work best in zucchini quiche?
For a flavorful zucchini quiche, use a combination of part-skim ricotta, part-skim shredded mozzarella, and freshly grated Parmesan. Ricotta adds creaminess and moisture, mozzarella provides stretchy melt, and Parmesan brings a sharp, nutty taste. These cheeses total about 2 cups in a standard 9-inch quiche: 1 cup ricotta, 3/4 cup mozzarella, and 1/4 cup Parmesan. Mix them into the egg custard before pouring over sautéed zucchini and onions. This trio keeps the filling rich yet light, balancing the veggie freshness. Grate Parmesan fresh for better texture—pre-grated often contains anti-caking agents that affect melt. If substituting, try feta for tang or cheddar for boldness, but stick to low-moisture varieties to avoid excess liquid.
Should you sauté zucchini before adding to quiche?
Yes, always sauté zucchini and onions before adding to quiche. Zucchini releases a lot of water when cooked, which can make the crust soggy if added raw. Heat 1-2 tablespoons olive oil in a skillet over medium heat, add 2 cups thinly sliced zucchini and 1/2 cup chopped onion, and cook for 8-10 minutes until softened and most moisture evaporates. Season with salt, pepper, and herbs like thyme. Drain on paper towels if needed. This step concentrates flavors and ensures a crisp crust. Skip it, and your quiche may turn watery—test by squeezing veggies; they should feel dry. For best results, cool slightly before mixing into eggs.
Do you need to parbake the crust for zucchini quiche?
Yes, parbaking the crust is key for crispy zucchini quiche. Line a 9-inch pie crust with parchment and pie weights or dry beans, prick the bottom with a fork to prevent bubbling, and bake at 350°F for 15-18 minutes until lightly golden. Remove weights and bake 5 more minutes to set. This prevents sogginess from the moist zucchini-egg filling. Use store-bought or homemade pie dough—deep-dish works well. After parbaking, add filling and bake fully at 350°F for 40-45 minutes until center sets (knife inserted comes out clean). Cool 10 minutes before slicing for clean cuts. Without parbaking, the bottom stays raw.
Can you freeze zucchini quiche?
Yes, zucchini quiche freezes well for up to 3 months. Bake and cool completely, then slice into portions. Wrap each slice tightly in plastic wrap, then foil, or place in freezer bags to prevent freezer burn. Label with date. Thaw overnight in the fridge, then reheat in a 350°F oven for 15-20 minutes or microwave on medium for 2-3 minutes until hot. For direct-from-frozen, microwave slices 3-4 minutes, flipping halfway. Refrigerates up to 4 days covered. Freezing preserves texture if cooled properly—avoid refreezing thawed quiche. Perfect for meal prep; one 9-inch quiche yields 6-8 servings.
How long do you bake zucchini quiche and at what temperature?
Bake zucchini quiche at 350°F for 40-45 minutes after parbaking the crust. Pour egg-cheese-zucchini filling into the prepared crust, then bake until the center is set and top is golden— a knife inserted near the edge comes out clean. If edges brown too fast, tent with foil after 30 minutes. Ovens vary, so check at 35 minutes; it puffs slightly then settles. Let rest 10-15 minutes post-bake for easier slicing. Yields 6-8 servings at about 250-300 calories each, high in protein from eggs and cheese. For crustless version, bake 30-35 minutes in a greased pie dish. Store leftovers as noted for freezing.
Zucchini Quiche
🥒 Enjoy a nutritious and satisfying meal packed with fresh zucchini, herbs, and three types of cheese in every bite
🍳 Perfect for breakfast, brunch, or lunch, this quiche offers a protein-rich option that’s both elegant and easy to prepare
- Total Time: 1 hour 30 minutes
- Yield: 6 servings
Ingredients
Instructions
1-First Step: Prep and par-bake the crust* Preheat oven to 350°F.* On a lightly floured surface, roll the 9-inch refrigerated pie dough to about a 12-inch diameter. Fit it into a 9-inch deep pie dish, trim excess, and crimp the edges. Prick the crust bottom a few times with a fork to prevent bubbles.* Place the fitted crust on a baking sheet and par-bake for 10 to 15 minutes until it is lightly baked and just beginning to color. This step helps prevent a soggy bottom when the moist zucchini filling is added.
2-Second Step: Sauté the aromatics and zucchini* Use a medium skillet for this step.* Heat 1 tablespoon olive oil in a skillet over medium heat.* Add 1/4 cup diced red onion and 1 large minced garlic clove; sauté for about 30 seconds until aromatic.* Add the thinly sliced zucchini, 1/2 teaspoon of the 1 teaspoon salt, and pepper to taste. Cook 7 to 8 minutes, stirring occasionally, until the zucchini softens and excess moisture mostly evaporates.* Use a slotted spoon to transfer three-quarters of the cooked zucchini to the par-baked crust, leaving some in the pan for seasoning adjustments.
3-Third Step: Make the custard* In a medium bowl, whisk the custard ingredients until smooth.* Crack 6 large eggs into a bowl and add 1/2 cup skim milk.* Fold in 1/2 cup part-skim ricotta, 1/2 cup part-skim shredded mozzarella, 2 tablespoons of the grated Parmesan, and 2 tablespoons chopped basil.* Add the remaining 1/2 teaspoon salt and pepper to taste, then mix until evenly combined.
4-Fourth Step: Assemble the quiche* Pour the egg and cheese mixture over the zucchini in the par-baked crust, spreading gently so it settles around the vegetables.* Top with the remaining cooked zucchini and sprinkle the remaining 2 tablespoons grated Parmesan across the top.* To prevent the crust edges from browning too quickly, cover them with foil or a pie crust shield.
5-Final Step: Bake and rest* Bake at 350°F for 50 minutes to 1 hour, until the eggs are set and the top is nicely browned. A knife inserted near the center should come out clean.* Remove from oven and cool for at least 10 minutes before slicing to allow the custard to settle for clean slices.* Garnish with additional chopped basil and serve warm or at room temperature.
Last Step:
Please leave a rating and comment letting us know how you liked this recipe! This helps our business to thrive and continue providing free, high-quality recipes for you.Notes
🥒 Par-baking the crust prevents sogginess and ensures it stays crispy despite the moist zucchini filling
🧅 Sautéing zucchini and onion before adding to the quiche releases excess water to keep the crust from becoming soggy
🧊 The quiche can be refrigerated up to 4 days or frozen up to 3 months – freeze individual slices for easy reheating
- Prep Time: 15 minutes
- Cook Time: 1 hour 15 minutes
- Category: Main Dish
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Nutrition
- Serving Size: 1/6 slice
- Calories: 307
- Sugar: 5g
- Sodium: 544mg
- Fat: 19g
- Saturated Fat: 7.5g
- Unsaturated Fat: 11.5g
- Trans Fat: 0g
- Carbohydrates: 21g
- Fiber: 1g
- Protein: 15g
- Cholesterol: 202mg
