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How To Heat Croissants

Published by: Chef Matty Riedel • Updated: January 30, 2024

Who does not love freshly baked buttery croissants early in the morning? These flaky pastries are arguably one of the best things the French invented. While they are best enjoyed when fresh and piping hot, baking them regularly at home is impossible.

There are times when fresh croissants do not fully make their way into your tummy on the same day. If you have some leftovers, you should know how to heat them up to enjoy them for the next few days.

If heated right, there will be no changes in the leftover croissants’ texture or flavour. You will be able to enjoy them like they were freshly baked!

How To Heat Croissants

There are several easy ways to reheat your leftover croissants without losing their original texture or taste.

In The Oven

Reheating croissants in an oven is an effective way of enjoying leftover croissants. You can easily heat up the pastries kept at room temperature. They take less than five minutes to get toasty warm.

You will have to be careful when reheating croissants with fillings. If you extend the heating time, fillings like chocolate will likely burn.

The heating time depends on several factors, such as your oven size, the heating temperature, and the croissant type.

Set your oven temperature to 375°F and allow it to preheat. Once your oven is ready, place your croissants on a baking sheet and pop the tray into the oven.

How To Heat Croissants: hot croissants ready to be devoured

If the croissants were kept at room temperature, they need only two to three minutes in the oven. Keep a watchful eye on them to prevent them from accidentally burning.

You can place aluminium foil over the pastries if you want a moist croissant with fluffy layers. You can unwrap the foil in the last stages of baking to get a slightly crisp exterior.

You can also leave a croissant in a preheated oven for 45 minutes to allow it to retain its freshness.

Try the heating temperature before placing all your croissants in the oven. Lower the temperature if you feel the present temperature is drying out your pastries.

In The Toaster

Toasters are versatile. They can heat up hot pockets, pop-tarts, and even frozen waffles in a jiffy. Toasters are a great way to heat up your pastries if you do not have an oven.

It is a better heating alternative than a microwave. However, there are some things to keep in mind.

Unlike an oven, your toaster cannot fit large items of food. If your croissant cannot easily pop into the toaster, you will need to cut it in half. Gently half the pastry to prevent it from crumbling.

Preheat your toaster before you attempt to heat up your croissants. Take full advantage of the multiple heat settings and determine the best setting for a perfectly crisped and warmed-up croissant.

Start off on a low setting and gradually increase the heat if the croissant is not toasting. Keep a watchful eye as it is quite easy to burn the delicate pastry. It may take five to ten minutes to get heated up properly.

In The Toaster Oven

Using a toaster oven to heat up your croissants is similar to using the oven. You can crisp up your croissant flakes with a toaster oven. It is the perfect way to get back their original texture to a certain extent.

As with the oven, preheat the toaster oven to 425°F. You can lower the heat if you prefer. Place your croissants into the device for about five minutes before reducing the temperature by at least 50 degrees. Heat them up for an extra 10 minutes.

On The Stovetop

If you do not have an oven or a toaster, you can heat up leftover croissants on your stovetop. In fact, it is an excellent way to heat up any food.

You will need a non-stick frying pan. You can grease up any skillet with cooking spray or butter if you do not have one. Turn your stovetop heat to medium and place the pan over it. Allow the pan to warm up before placing the croissant in it.

Do not move away from the pan. Ensure the pastry is evenly heated and soft before turning off the heat.

In The Microwave

If you have a microwave, you can conveniently heat up your croissants. However, this is not recommended since it impacts the flavour of the pastry.

It is a quick way to get warm croissants, but they will not be as good as freshly baked pastries.

croissants dusted with a sugary coating

Grab a microwave-safe plate and place your croissant on it. Pop the plate into the microwave for 10 to 15 seconds. You must flip the croissant midway to ensure it heats up thoroughly.

Once the microwave pings, immediately consume the pastry to enjoy its deliciousness. If you wait, the croissant will dry out and turn stale.

In The Air Fryer

If you have an air fryer, you may have wondered if it can heat up a croissant. While it is possible, it is not highly recommended. As air fryers use hot air to heat up their contents, they can be aggressive to the delicate croissants, causing them to dry up.

However, if you have no other options, you can carefully use the air fryer to heat up your croissants.

Set the air fryer to 250°F and allow it to preheat. Once the air fryer is warmed up, put your croissant into the basket and turn the timer on for one to two minutes.

Keeping the temperature and the cooking time low ensures your croissant does not dry out. Higher temperatures will result in almost inedible croissants, so be very careful.


How To Heat A Frozen Croissant?

If you have frozen croissants, you can heat them straight from the freezer. Take off their wrapping while your oven preheats at 350°F. Place them into the oven for about eight minutes once the oven is warmed.

Put them in your fridge overnight if you want to thaw out your frozen pastry. Do not take off the wrapping when thawing them out. This wrapping will protect the croissant by trapping the moisture. This will prevent the pastry from turning dry.

The oven will work on a soggy croissant, but if you have a dried-out pastry, you cannot do much.

delicious french croissant on wooden chopping board

When attempting to heat a large frozen croissant, pop it into the microwave for about 10 seconds before moving it to the oven. This allows the pastry to soften up a little bit. Do not exceed a few seconds, or you will spoil the texture and the flavour.

Additionally, there is no waiting period. Once the pastry is out of the microwave, immediately pop it into the oven.


Storing Leftover Croissants

The best method to store leftover croissants is to wrap them in aluminium foil or plastic at room temperature. They keep fresh for two days in this state. You can then easily warm them up using any of the above-mentioned methods.

You can also keep croissants in the fridge to stretch their shelf life up to seven days. Wrap them up the same way you would do room-temperature pastries. When ready to consume them, get them to room temperature before heating them up.

If you have a longer shelf life, you can freeze croissants. Frozen croissants keep well for up to one year. However, there may be some alterations in their flavour and texture.


How To Heat Croissants: The Takeaway

The best thing about croissants is that you can reheat them past their initial days. It does not matter whether you are dealing with homemade or store-bought pastries; all croissants can be reheated to be enjoyed later.

croissant and a cup of coffee on a tray

There are several ways to reheat properly stored croissants. Depending on your storage method, you can heat up room temperature or frozen croissants.

Any of the above-mentioned techniques might work well for you. However, you need to be careful. A delay or an erroneous temperature could result in a burned croissant.

The most efficient heating technique is using the oven. It results in an evenly heated croissant with a well-maintained texture and flavour. If you are in a hurry, you can also put your toaster to good use.

Properly heat up your croissants and enjoy a delicious snack any time of the day!

Chef and Restaurant Owner Matty Riedel
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