✔ Updated · Oven, air fryer, microwave + frozen, all to 165°F
Leftover quiche can taste just as good the next day, with a crisp crust and a creamy, just-set filling. The secret is gentle heat, and here's exactly how to do it.
The best way to reheat quiche is in the oven. Heat it to 350°F, place the quiche on a baking sheet, cover it loosely with foil and bake slices for 10 to 15 minutes or a whole quiche for 15 to 20 minutes, until the center reaches 165°F. Uncover for the last 5 minutes to re-crisp the crust. Frozen quiche needs 25 to 45 minutes.
- Oven (best): 350°F, 10–20 minutes, crisp crust.
- Air fryer: 320°F, 5–8 minutes per slice.
- Microwave (fastest): 50% power, 1–2 minutes, softer crust.
- Always reheat to 165°F in the center.
Quiche Reheating Times at a Glance
| Method | Temperature | Slice | Whole quiche | Crust |
|---|---|---|---|---|
| Oven (refrigerated) | 350°F | 10–15 minutes | 15–20 minutes | Crisp |
| Oven (frozen) | 350°F | 20–25 minutes | 30–45 minutes | Crisp |
| Air fryer | 320°F | 5–8 minutes | Mini quiches only | Very crisp |
| Toaster oven | 350°F | 8–12 minutes | Mini quiches only | Crisp |
| Skillet (covered) | Medium-low | 5–7 minutes | No | Crisp bottom |
| Microwave | 50% power | 1–2 minutes | Not recommended | Soft |
How to Reheat Quiche in the Oven (Best Way)
The oven warms the custard gently and evenly while drying out the crust, so it tastes freshly baked. It's the method I always reach for when there's time.
- Take the quiche out of the fridge 15–20 minutes ahead so the chill comes off. This helps it heat evenly.
- Heat the oven to 350°F. Place the quiche or slices on a baking sheet.
- Cover loosely with foil so the top doesn't over-brown while the center heats.
- Bake slices for 10–15 minutes or a whole quiche for 15–20 minutes.
- Remove the foil for the last 5 minutes to crisp the crust, then check the center reads 165°F on an instant-read thermometer.
How to Reheat Quiche in the Air Fryer
- Heat the air fryer to 320°F.
- Place 1–2 slices in the basket on a small piece of foil or parchment, leaving space around them.
- Heat for 5–8 minutes, until the center reaches 165°F. If the top browns too fast, tent it with a scrap of foil.
- The crust comes out wonderfully crisp, and that first flaky bite is worth it.
How to Reheat Quiche in the Microwave
The microwave is fastest but makes the crust softer, and high power can turn the eggs rubbery. Use it for a quick single slice.
- Put a slice on a microwave-safe plate and cover it with a paper towel.
- Heat at 50% power for 1 minute, then in 20–30 second bursts until the center reaches 165°F.
- Let it stand for 1 minute so the heat evens out.
- For a crisper base, finish the slice in a hot dry skillet for 1–2 minutes.
How to Reheat Frozen Quiche
You can reheat quiche straight from frozen; there's no need to thaw it. Remove any plastic wrap, place it on a baking sheet, cover loosely with foil and bake at 350°F for 30–45 minutes for a whole quiche or 20–25 minutes for slices, until the center reaches 165°F. Uncover for the last 10 minutes. If you prefer to thaw it, do it overnight in the fridge, never on the counter, then use the refrigerated oven times.
How to Store and Freeze Quiche
- Cool it first: let quiche cool, then refrigerate it within 2 hours of baking.
- Fridge: cover tightly or store in an airtight container for 3–4 days.
- Freezer: cool completely, wrap whole or in slices in plastic wrap and then foil, and freeze for up to 2–3 months for best quality.
- Freeze slices on a tray first, then bag them, so you can reheat just what you need.
Can You Eat Quiche Cold?
Yes. Quiche that was baked properly and refrigerated within 2 hours is safe to eat cold or at room temperature, and lots of people love it that way for picnics and lunch boxes. Just don't leave it out for more than 2 hours. If you warm it, take it all the way to 165°F.
Common Reheating Mistakes
- Using a hot oven. Above 375°F the crust burns before the custard heats through. Gentle 350°F wins.
- Skipping the foil. Without it, the top dries and over-browns.
- Full-power microwaving. It makes the eggs rubbery and weepy.
- Reheating more than once. Warm only what you'll eat, and don't reheat the same slice twice.
More Reheating Guides
Making it from scratch? Try our Bisquick impossible quiche. More leftovers to warm up? See how to reheat pancakes, reheating mac and cheese and how to reheat nachos.
Frequently Asked Questions
What is the best way to reheat quiche?
The oven is the best way. Heat it to 350°F, cover the quiche loosely with foil and bake slices for 10 to 15 minutes or a whole quiche for 15 to 20 minutes, until the center reaches 165°F. Remove the foil for the last 5 minutes so the crust crisps up again.
How long do you reheat quiche in the oven at 350°F?
At 350°F, reheat refrigerated quiche slices for 10 to 15 minutes and a whole quiche for 15 to 20 minutes. Frozen quiche takes about 20 to 25 minutes for slices and 30 to 45 minutes for a whole quiche. Always check that the center reaches 165°F.
Can you reheat quiche in the microwave?
Yes. Cover a slice with a paper towel and heat it at 50% power for 1 minute, then in 20 to 30 second bursts until the center reaches 165°F. The crust will be softer than oven-reheated quiche. A minute in a hot skillet afterward helps crisp the bottom.
How do you reheat frozen quiche?
Reheat frozen quiche without thawing. Unwrap it, cover it loosely with foil and bake at 350°F for 30 to 45 minutes for a whole quiche or 20 to 25 minutes for slices, until it reaches 165°F in the center. Remove the foil for the last 10 minutes to crisp the crust.
How long does quiche last in the fridge?
Cooked quiche lasts 3 to 4 days in the fridge in an airtight container or tightly wrapped. Refrigerate it within 2 hours of baking. For longer storage, freeze it for up to 2 to 3 months, and reheat to 165°F before serving.
