Name: Zucchini Feta Quiche Recipe
Prep time: 20 min
Cook time: 40 min
Total time: 60 min
Ingredients: 1 refrigerated 9-inch pie crust, unbaked; 1 egg white, lightly beaten; 2 medium zucchinis, thinly sliced or shredded (about 3 cups packed); 1 tablespoon olive oil; 1 small yellow onion, finely chopped; 2 cloves garlic, minced; 1 teaspoon kosher salt, divided; 1/2 teaspoon black pepper; 1 teaspoon dried oregano or Italian seasoning; 2 tablespoons fresh parsley or basil, chopped; 1/4 teaspoon crushed red pepper flakes; 5 large eggs; 1 cup whole milk; 1/2 cup heavy cream; 1 teaspoon Dijon mustard; 1 cup feta cheese, crumbled; 1/2 cup shredded mozzarella or mild provolone; 1/4 cup grated Parmesan cheese

Zucchini Feta Quiche Recipe tastes creamy, salty, herby, and a little bit fancy while still feeling like comfort food, and it works for breakfast, brunch, or a light dinner in about 1 hour total. This recipe suits busy home cooks who want a make-ahead meal that uses simple ingredients but still feels special enough for guests. I first baked a version of this on a Tuesday night in sweatpants, and my family still talks about it like I catered brunch.

Why Make This Zucchini Feta Quiche Recipe at Home

Homemade quiche gives you a flaky crust, tender zucchini, and pockets of salty feta that you just do not get from a frozen box. You control the salt, the herbs, and how golden you like the top, so the Zucchini Feta Quiche Recipe fits your taste instead of the other way around.

You also stretch a few eggs and a couple of zucchinis into several servings, which keeps the grocery bill happy. Leftovers taste great cold or reheated, so you cook once and eat multiple times.

My whole family devoured this Zucchini Feta Quiche Recipe and fought over the last slice ★★★★★

Ingredients You Need

Crust

1 refrigerated pie crust, 9-inch, unbaked
- Use a good-quality store brand to save time.
- If you prefer homemade, use your favorite all-butter crust recipe.
1 egg white, lightly beaten, to brush the crust
- This helps keep the crust from getting soggy.

Zucchini Filling

2 medium zucchinis, thinly sliced or shredded
- About 3 cups packed.
- Choose firm, small to medium zucchini for better flavor and less water.
1 tablespoon olive oil
1 small yellow onion, finely chopped
2 cloves garlic, minced
1 teaspoon kosher salt, divided
1/2 teaspoon black pepper
1 teaspoon dried oregano or Italian seasoning
2 tablespoons fresh parsley or basil, chopped (optional but tasty)

Egg Custard

5 large eggs
1 cup whole milk
1/2 cup heavy cream
- You can swap the cream for more milk, but the texture turns slightly lighter.
1 teaspoon Dijon mustard
1/4 teaspoon crushed red pepper flakes (optional, for a little heat)

Cheese

1 cup crumbled feta cheese
- Use a block of feta in brine if possible, then crumble it yourself for better flavor.
1/2 cup shredded mozzarella or mild provolone
- This gives a nice melt and stretch without overpowering the feta.
1/4 cup grated Parmesan
- Adds a savory, nutty edge.

Pantry Shortcuts & Substitutions

Use pre-shredded zucchini from the produce section if you find it.
Swap zucchini with yellow squash or a mix of both.
Replace feta with goat cheese or queso fresco if you need a milder option.
Use half-and-half instead of milk plus cream in a pinch.

Equipment

9-inch pie dish
Baking sheet to place under the pie dish
Large skillet
Mixing bowls
Whisk
Sharp knife and cutting board
Box grater or mandoline if you shred or slice zucchini

Tips & Mistakes

Sauté zucchini until it loses most of its moisture so the quiche sets nicely and does not turn watery.
Salt zucchini in the pan, not in the bowl, so the liquid cooks off instead of pooling in the crust.
Blind bake the crust for a few minutes so it stays crisp under the custard.
Brush the crust with egg white after blind baking to seal it and avoid soggy bottoms.
Let the cooked filling cool slightly before you add the egg mixture so the eggs do not start cooking too early.
Do not overfill the crust; leave a little space at the top so the custard does not spill in the oven.
Bake the quiche until the center barely jiggles; pull it out before it turns rubbery.
Let the quiche rest at least 15 minutes before slicing so clean slices hold together.
Use a sharp, thin knife to cut slices and avoid tearing the crust.
Taste the filling components as you go, since feta already brings salt and you do not want an overly salty quiche.

How to Make Zucchini Feta Quiche Recipe

Step 1: Prep the crust

Preheat your oven to 375°F and place a rack in the middle. Fit the pie crust into a 9-inch pie dish, crimp the edges, and prick the bottom a few times with a fork. Line the crust with parchment and fill it with pie weights or dried beans.

Bake the crust for 10 minutes, then remove the parchment and weights. Brush the warm crust with the beaten egg white and bake 3 to 5 more minutes until it looks set and lightly golden. Set the crust aside on a baking sheet to cool while you prepare the filling.

Step 2: Cook the zucchini and aromatics

Heat the olive oil in a large skillet over medium heat. Add the onion and cook 3 to 4 minutes until it softens and turns translucent. Stir in the garlic and cook about 30 seconds until it smells fragrant.

Add the zucchini and 1/2 teaspoon of the salt. Cook, stirring often, for 7 to 10 minutes until the zucchini softens and most of the liquid evaporates. Stir in the oregano, black pepper, red pepper flakes if you use them, and fresh herbs, then taste and adjust seasoning.

Spread the zucchini mixture on a plate or tray and let it cool for 5 to 10 minutes. This quick cool-down keeps the eggs from scrambling when you mix everything.

Step 3: Mix the egg custard

In a medium bowl, whisk the eggs until they look smooth and slightly frothy. Add the milk, cream, Dijon mustard, remaining 1/2 teaspoon salt, and a pinch more pepper. Whisk until the mixture looks fully combined.

Stir in the Parmesan and mozzarella. Keep the feta separate for layering so you get nice pockets of salty cheese.

Step 4: Assemble the quiche

Spread the cooled zucchini mixture evenly over the bottom of the pre-baked crust. Scatter the crumbled feta over the zucchini so it covers the surface fairly evenly. Place the pie dish on the baking sheet if you removed it earlier.

Slowly pour the egg custard over the filling, moving the bowl around so it fills all the gaps. Stop pouring if the liquid reaches close to the top edge of the crust; you can bake extra custard in a greased ramekin. Gently nudge any zucchini pieces back under the surface so they do not burn.

Step 5: Bake

Slide the baking sheet with the quiche into the oven. Bake at 375°F for 30 to 40 minutes, until the edges puff and turn golden and the center looks mostly set with a slight jiggle. If the crust browns too quickly, tent the edges with strips of foil.

Check doneness by inserting a knife about 2 inches from the center; it should come out mostly clean. Pull the quiche from the oven and place it on a rack.

Step 6: Rest and slice

Let the Zucchini Feta Quiche Recipe rest at least 15 to 20 minutes before you slice it. This rest time lets the custard finish setting and makes slicing much easier. Slice into wedges with a sharp knife and serve warm, at room temperature, or chilled.

Variations I've Tried

I swap half the zucchini with thinly sliced cherry tomatoes in summer, which adds sweetness and a little burst of juice in each bite. I also add a handful of chopped spinach or kale when I want extra greens, and nobody complains. Sometimes I use smoked feta or add a sprinkle of smoked paprika on top for a subtle smoky flavor.

You can turn this into a crustless Zucchini Feta Quiche Recipe by greasing the pie dish well and skipping the crust entirely. In that case, bake closer to 30 minutes since the custard sets a bit faster. I also tried a sweet potato crust made from thin slices pressed into the dish, which tastes great if you want a gluten-free option.

How to Serve Zucchini Feta Quiche Recipe

Serve slices warm with a simple green salad and some fresh fruit for a balanced brunch plate. Add roasted potatoes or a small side of grilled vegetables if you want a more filling dinner. Kids often like it with a side of ketchup or mild salsa, while adults might prefer a spoonful of Greek yogurt or tzatziki on top.

You can also pack cold slices of Zucchini Feta Quiche Recipe in lunch boxes with carrot sticks and hummus. The flavors hold up well, and the quiche tastes good even when you do not reheat it.

How to store

Fridge: Cool the quiche completely, then cover the dish tightly or transfer slices to airtight containers and keep in the refrigerator for up to 4 days.
Freezer (whole): Wrap the fully cooled quiche in plastic wrap, then in foil, and freeze for up to 2 months.
Freezer (slices): Wrap individual slices and place them in a freezer bag; freeze for up to 2 months for easy single servings.
Reheating (oven): Reheat slices in a 325°F oven for 10 to 15 minutes until warm in the center; cover loosely with foil if the top browns too much.
Reheating (microwave): Heat a slice on medium power in 30-second bursts until warm; this method works fastest but can soften the crust slightly.