How to Reheat Quiche: Oven, Microwave, or Air Fryer?

Got a quiche that’s already been baked (maybe even frozen) and wondering how to warm it up without ending up with a soggy crust? In this article, I’ll walk you through the best ways to reheat a whole quiche or just a slice, using the oven, microwave, or air fryer, while keeping that pastry deliciously crisp.

Three slices of quiche with a golden crust and visible bits of bacon and herbs are laid out on parchment paper, perfect for reheating a deep-fried quiche or four for a deliciously warm treat.

The Best Methods to Reheat Quiche?

Before diving into the step-by-step methods, here’s a quick overview of the pros and cons of each reheating option. This will help you choose the method that works best for your needs, whether you’re short on time, at the office, or aiming for that perfect flaky crust.

MethodTimeTemperatureBenefitsDisadvantages
Oven10-15 min320–350°F (160–180°C)Best overall result: crispy and evenTakes the longest
Microwaves2-3 min600-800 WSuper quick, great for the officeCrust can turn soft or soggy
Air fryer6-8 min350°F (180°C)Fast and crispRequires an air fryer

By the way, have you tried my reader-favorite quiche recipes from the blog? They’re always a hit!

Reheating Quiche in the Oven: The Classic Method

The oven is the most reliable way to reheat quiche, especially if you’re warming up a whole one or several slices at once. It helps maintain that perfectly crisp crust and evenly heats the filling.

How to do it:

  1. Preheat your oven to 320–350°F (160–180°C).
  2. Place the quiche directly on a baking sheet (no baking dish) to let the heat circulate better. You can line the tray with parchment paper if needed.
  3. Heat for 10 to 15 minutes, depending on the size of the quiche.
  4. If your quiche is already nicely golden, loosely cover it with parchment paper or aluminum foil to keep it from over-browning.
Four slices of quiche with visible pieces of ham are arranged on parchment paper above a cooling rack - perfect for those wondering how to reheat a quiche in a deep fryer for a quick and tasty meal.

Reheating Quiche in the Microwave: Fast, but Not Perfect

The microwave can be a lifesaver when you’re in a rush but on its own, it tends to make the crust soft. I usually only use it to quickly defrost a slice. That said, if you’re at work and a microwave is your only option, go for it! It won’t affect the flavor, just expect a softer crust.

My quick microwave method:

  1. Place your slice of quiche on a microwave-safe plate.
  2. Heat at medium power (around 600W) for 1 minute.
  3. Continue in 30-second intervals until it’s heated through.

My tip: If you’re at home and the quiche is warm but not quite crispy, finish it off in the oven or air fryer at 350°F (180°C) for 5–8 minutes to bring back that golden, flaky crust.

Reheating Quiche in the Air Fryer: Perfect If You Have One!

This is hands down one of my favorite ways to reheat quiche (and to use my Air Fryer too!), especially for leftover or frozen slices at lunchtime. It’s fast, super efficient, and keeps the crust nice and crisp without needing to preheat a full-size oven.

I mostly use the air fryer for single slices, since the basket usually only fits one or two at a time.

Here’s how to do it:

  1. Preheat your air fryer to 350°F (180°C).
  2. Place your slice directly in the basket.
  3. Heat for 6 to 8 minutes.
  4. Keep an eye on it to make sure the top doesn’t brown too much.
A slice of quiche is placed in an air fryer basket on a white surface, showing how to heat a quiche easily without using a traditional oven.

A Few Extra Tips for Reheating Quiche

Before we wrap up, here are a few final tips to make sure your quiche comes out just right:

  • Only reheat what you plan to eat. Reheating the same quiche multiple times can affect both the taste and food safety. Once it’s cooked, only warm up the slices you need.
  • Skip plastic containers in the microwave. They trap moisture and can make the crust even soggier. Use a microwave-safe plate instead.
  • Slice it first. Cut your quiche into 4, 6, or 8 wedges before reheating. Smaller portions heat more evenly and quickly avoid a cold center!

And of course, just before serving, don’t forget a nice side dish, either a simple green salad with a Dijon Mustard Vinaigrette or for more inspiration look at my 40 Ideas for Quiche Sides!

Frequently Asked Questions

Can I reheat a quiche in the microwave without getting soggy it?

Not really. The microwave tends to soften the crust. If you’re in a hurry, you can use it to warm the quiche slightly, but for the best texture, finish reheating in the oven or air fryer to bring back that crispness.

Can I reheat straight from the fridge?

Absolutely, it’s actually ideal! Just let it sit at room temperature for about 10 minutes if you have time, then pop it in the oven or air fryer following the instructions above.

Can I reheat quiche from frozen?

Yes, but I recommend that you partially defrost in the microwave then put it in the oven. You’ll find more tips in my article how to best freeze a quiche.

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