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Quiche gets dismissed as fussy but it really isn’t. The filling is eggs, dairy, cheese, and whatever vegetables you’ve sautéed down and squeezed dry. Pour it into a crust, bake until just set, rest for ten minutes. That’s the whole process.

This spinach feta version is the one I come back to most because the feta does double duty, it seasons the filling while it melts, so you need less salt than you would with a milder cheese, and it keeps things from tasting flat. A handful of mozzarella or Swiss on top adds some stretch and helps the top set with a little color. One reader mentioned she added Swiss alongside the feta and called it a keeper. I think she’s right.

The Thing Most Quiche Recipes Get Wrong

Moisture. Spinach holds a surprising amount of water and if you don’t cook it down properly before it goes into the filling, that water releases into the egg custard during baking and you end up with a watery center that never fully sets.

Cook the spinach in the skillet until it’s fully wilted and the pan looks mostly dry. Then take it off the heat and let it cool for a few minutes before stirring it into the egg mixture. Hot vegetables added directly to raw eggs start cooking them unevenly before the quiche even hits the oven.

The same principle applies if you use frozen spinach, thaw it completely, then squeeze out as much water as you can before using it.

Ingredient Notes

Pie crust: Store-bought works perfectly here. If you have time to make your own, great, but the filling is the part that matters most and a good store-bought crust won’t hold it back. Blind bake it for 10 minutes before adding the filling if you want a crisper bottom, not strictly necessary but worth it if you’ve had soggy crust issues before.

Spinach: Four cups looks like a lot raw and cooks down to about a cup. That ratio is correct. Don’t reduce it.

Feta: Crumbled feta melts unevenly, which is actually good, you get pockets of salty, tangy cheese distributed through the custard rather than a uniformly seasoned filling. Don’t swap it for pre-shredded cheese if you can avoid it.

Half-and-half: This is the standard for quiche custard. Whole milk works and gives a slightly lighter result. Heavy cream makes it richer and denser. Avoid low-fat dairy, the fat is what helps the custard set smoothly.

Nutmeg: Optional but worth using. Just a quarter teaspoon, barely detectable on its own, but it rounds out the egg flavor in a way that’s hard to explain until you taste it with and without. Betsi mentioned it made a difference and I agree.

Eggs: Four is the standard for a 9-inch quiche. Three works if that’s what you have, the custard will be slightly softer but it still sets. Five makes it firmer and more sliceable.

Spinach Feta Quiche

A classic quiche with a flaky crust, egg and half-and-half custard, sautéed spinach and onion, crumbled feta, and melted mozzarella. Works for brunch, lunch, or a light dinner.

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Prep Time 15 minutes mins

Cook Time 50 minutes mins

Total Time 1 hour hr 5 minutes mins

Servings: 6

Course: Breakfast, Brunch

Cuisine: French-American

Calories: 400

Ingredients Method Notes

Ingredients

  

• 1 unbaked 9-inch pie crust store-bought or homemade
• 1 tbsp olive oil or butter
• 1 small onion finely chopped
• 4 cups fresh spinach roughly chopped
• 4 large eggs
• 1 cup half-and-half or whole milk
• 1 cup crumbled feta cheese
• 1 cup shredded mozzarella or Swiss cheese
• 1/2 tsp salt
• 1/4 tsp black pepper
• 1/4 tsp ground nutmeg
• Fresh parsley or dill for garnish

Method

 

1. Preheat oven to 375°F (190°C). Fit pie crust into a 9-inch pie dish and crimp the edges. Optional: blind bake for 10 minutes with pie weights for a crisper bottom.
2. Heat olive oil or butter in a skillet over medium heat. Add onion and cook for 5 minutes until soft and translucent. Add spinach and cook for 3 to 4 minutes until fully wilted and the pan looks dry. Remove from heat and let cool for 5 minutes.
3. In a large bowl, whisk together eggs, half-and-half, salt, pepper, and nutmeg until smooth.
4. Stir in cooled spinach and onion mixture, crumbled feta, and half the shredded cheese. Mix gently to combine.
5. Pour filling into the prepared crust and spread evenly. Scatter remaining shredded cheese over the top.
6. Bake for 35 to 45 minutes until the edges are set and the center has a slight wobble. If the crust edges brown too quickly, cover them with strips of foil.
7. Cool for 10 minutes before slicing. Garnish with fresh parsley or dill. Serve warm or at room temperature.

Notes

Cook the spinach until the pan is visibly dry before adding to the filling. Excess moisture is what causes a watery center. The quiche is done when the center wobbles slightly like soft Jell-O, not when it looks completely firm. Rest for 10 minutes before slicing so it holds its shape.

How to Tell When It’s Done

The center should have a slight wobble when you pull the oven rack out, like a just-set Jell-O rather than liquid. The edges will look more firmly set than the middle. That wobble disappears as it rests and the residual heat finishes the job. If you wait until the center looks completely firm in the oven, it’ll be overdone by the time it cools.

Ten minutes of resting before slicing is non-negotiable. Cut into it straight out of the oven and it won’t hold its shape. Give it the ten minutes and you get clean slices

Variations

Sautéed mushrooms added with the spinach make this more substantial and add an earthy flavor that works well with feta. Bell peppers bring sweetness and color. Sun-dried tomatoes add a concentrated, slightly sweet depth that’s particularly good here. Any of these can go in alongside or instead of the spinach, just cook them down first and make sure they’re not bringing excess moisture into the filling.

For a crustless version, grease the pie dish well and pour the filling directly in. Bake the same way. It won’t slice as cleanly but the flavor is exactly the same.

FAQ

Can I make this ahead?
Yes. Bake it, cool completely, then refrigerate covered for up to 3 days. Reheat slices in a 350°F oven for 10 to 15 minutes. It’s also good at room temperature, which makes it convenient for brunches where you don’t want to be pulling things out of the oven all morning.

Can I use frozen spinach?
Yes. Thaw completely and squeeze out as much water as possible before adding. A kitchen towel works better than paper towels for this. If you skip the squeezing step the filling will be watery.

My quiche came out watery in the middle. What happened?
Either the spinach wasn’t cooked dry enough before going in, or the quiche needed more time in the oven. Next time, cook the spinach until the pan is visibly dry and check the center for that slight wobble before pulling it.

How do I get a crispier bottom crust?
Blind bake the crust for 10 minutes at 375°F before adding the filling. Press parchment paper into the crust and add pie weights or dried beans to keep it from puffing. Remove the weights and parchment before adding the filling.

Can I freeze it?
Yes. Cool completely, wrap individual slices tightly, and freeze for up to 2 months. Thaw in the fridge overnight and reheat in the oven. The texture changes slightly but it holds up well.