Quick Crustless Spinach Quiche (Ready in 40 Minutes)

A crustless spinach quiche is the kind of dish that feels like a hug on a Tuesday night. It uses one bowl, leans hard on pantry staples, and bakes into something special while you answer a few emails. If rolling out pie dough sounds like a chore you don’t need, this is your answer.

The eggs puff into a light, almost soufflé-like center, with ribbons of earthy spinach and salty pops of feta. Serve it warm with a simple salad and you’ve got a meal that eats well morning, noon, or night.

What Makes This Quiche So Good

I make this at least twice a month because it forgives substitutions and still turns out fluffy. Frozen spinach does the heavy lifting so you can skip washing and wilting fresh leaves, and the ingredient list is short enough to memorize after the first bake.

The texture is the real win. Without a crust weighing it down, the egg and cream mixture rises a little and stays silky, not rubbery. A quick sauté of onion and a handful of fresh dill give it enough character to feel intentional, not basic.

Ingredients

• 10 oz frozen chopped spinach, thawed: squeeze it bone dry; extra moisture is the enemy
• 1 tbsp unsalted butter: for the onion
• 1 small yellow onion, diced: sweet onion works too
• 6 large eggs: room temperature if you remember, but straight from the fridge is fine
• ½ cup heavy cream: half-and-half keeps it lighter, if you prefer
• 2 tbsp chopped fresh dill: 1 tsp dried dill works in a pinch
• ¼ tsp salt: plus a pinch more for the spinach
• ¼ tsp black pepper: freshly ground, if you have it
• Pinch ground nutmeg: barely there, but it wakes up the greens
• ½ cup crumbled feta: use the block in brine and crumble it yourself for the creamiest bits

Variations / Substitutions

• Swap the feta for goat cheese: the quiche will be tangier and a touch softer
• Use sharp cheddar or Gruyère: a nutty, melt-y switch that still tastes great
• For a dairy-free version: skip the cream and use full-fat oat milk plus 1 tbsp nutritional yeast for savouriness
• Try fresh spinach instead: wilt 8 oz fresh spinach in a dry pan, squeeze out the water, and use as listed
• No dill: basil, chives, or even a pinch of dried oregano all play nicely here

If you like spinach and eggs together, give my spinach and tomato strata a try next.

How to Make Crustless Spinach Quiche

Step 1: Sauté the Onion and Spinach

Melt the 1 tablespoon butter in a medium skillet over medium heat. Add the diced onion and cook for 5 to 7 minutes, stirring occasionally, until it’s soft and translucent. Squeeze the defrosted spinach as dry as you can, then add it to the skillet with a small pinch of salt.

The spinach will look glossy and dark green as it warms. Stir it around for about 2 minutes so any leftover water evaporates. You should hear a gentle sizzle, not steaming, before you take the pan off the heat. Let it cool slightly while you move to the eggs.

Step 2: Whisk the Egg Custard

Crack the 6 eggs into a large mixing bowl. Pour in the ½ cup heavy cream, ¼ teaspoon salt, ¼ teaspoon pepper, the pinch of nutmeg, and the 2 tablespoons of chopped fresh dill. Whisk everything together for about 30 seconds until the mixture is smooth and a little frothy at the top.

It should look pale yellow and completely blended, no streaks of white or yolk. The dill will speckle the surface like tiny confetti. Set the bowl aside.

Step 3: Fold in the Fillings

Scrape the slightly cooled spinach and onion mixture into the egg custard. Add the ½ cup crumbled feta. With a flexible spatula, fold everything together gently until no streaks of green remain, about 10 seconds.

The batter will be speckled and a bit thicker than plain eggs. Don’t overmix or you’ll knock out the air you just whisked in. At this point, preheat your oven to 375°F (190°C) and grease a 9-inch pie dish.

Step 4: Bake the Quiche

Pour the egg-spinach mixture into the greased dish. Shake the dish lightly side to side so the filling settles evenly. Slide it onto the middle rack and bake for 30 to 35 minutes.

You’ll know it’s done when the edges are puffed and golden brown and the centre jiggles only slightly when you nudge the dish. A knife inserted an inch from the edge should come out clean. If the top browns too quickly, tent it loosely with foil.

Step 5: Slice and Serve

Remove the quiche from the oven and let it sit on a cooling rack for 5 minutes. Run a thin knife around the rim to loosen it, then slice it into wedges right in the dish.

Steam will curl up from each slice. The interior stays creamy while the top holds a thin golden skin. Serve it warm with a handful of dressed greens or a swipe of crusty bread.

Tips for a Fluffy, Not Watery Quiche

• Squeeze the spinach until it feels like dry hay. Any trapped water will leak out and make the bottom soggy.
• The centre should still shiver a little when you pull it out of the oven; carryover heat will finish the job off the heat.
• For the cleanest slices, let the quiche rest that full 5 minutes and cut with a sharp chef’s knife, not a dull pie server.
• Use heavy cream or at least half-and-half. Low-fat milk makes a less rich custard that can turn weepy.

Bake times vary a little by dish material. Here’s a quick guide:

Storing Leftovers

• Refrigerate: Cool completely, then cover the dish tightly or transfer slices to an airtight container. It keeps for up to 4 days.
• Reheating: Warm individual slices in the microwave for 45 seconds to 1 minute, or pop the whole dish back in a 300°F oven for 10 minutes.
• Serve cold: Quiche is great straight from the fridge, packed for a work lunch or picnic. The texture is firmer but still good.

What to Serve With Crustless Spinach Quiche

A bright, lemony arugula salad cuts through the richness perfectly, and roasted cherry tomatoes add a sweet, jammy contrast. For brunch, pile a few slices onto a platter with fresh fruit and a bowl of lightly dressed mixed greens. Crusty sourdough with a smear of good butter never hurts, either.

Frequently Asked Questions

Can I use fresh spinach instead of frozen?

Yes. Wilt 8 ounces of fresh spinach in a dry pan over medium heat until collapsed, then drain, squeeze out all the moisture, and chop it. You’ll want the same dry texture before adding it to the eggs.

Can I swap milk for the heavy cream?

You can, but the quiche won’t be as silky. Whole milk works best, and you’ll need to increase the bake time by 3 to 5 minutes because the custard sets more slowly.

Is this quiche gluten-free?

Yes. There’s no flour, crust, or thickener, so it’s naturally gluten-free. Just double-check that your feta doesn’t include any starch-based anti-caking agents if you’re serving someone with celiac.

Can I add bacon or ham?

Absolutely. Cook 4 strips of bacon until crisp, crumble them, and fold them in with the spinach. Or chop up ½ cup of deli ham and stir it in raw—it will warm through in the oven.

Crustless Spinach Quiche Recipe

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Prep Time 10 minutes mins

Cook Time 30 minutes mins

Total Time 40 minutes mins

Servings: 6 servings

Calories: 198

Ingredients Method Notes

Ingredients

  

• 10 oz frozen chopped spinach, thawed
• 1 tbsp unsalted butter
• 1 small yellow onion, diced
• 6 large eggs
• ½ cup heavy cream
• 2 tbsp chopped fresh dill
• ¼ tsp salt
• ¼ tsp black pepper
• Pinch ground nutmeg
• ½ cup crumbled feta

Method

 

1. Melt butter in a skillet over medium heat. Cook the onion for 5 to 7 minutes until soft. Squeeze the spinach dry, add it to the pan with a pinch of salt, and cook for 2 minutes. Set aside to cool.
2. Whisk eggs, cream, salt, pepper, nutmeg, and dill in a large bowl for about 30 seconds until frothy and combined.
3. Fold the cooled spinach mixture and feta into the egg custard until just mixed, about 10 seconds. Preheat oven to 375°F (190°C) and grease a 9-inch pie dish.
4. Pour the mixture into the dish, shake gently to settle, and bake for 30 to 35 minutes until the edges are golden and the centre is just set.
5. Let the quiche rest for 5 minutes, run a knife around the edge, slice, and serve warm.

Notes

The quiche will rise a bit in the oven and then settle as it cools—that’s normal. For the fluffiest texture, avoid opening the oven door during the first 20 minutes of baking. If your spinach still holds moisture even after squeezing, you can pat it with paper towels before adding it to the skillet.