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Home » Blog » Macarons » Resting the Macaron Shell

September 18, 2020 by Mimi

Resting the Macaron Shell

IMG_1909-easter-chickee-macarons

Do you really need to rest your macaron shells? Here’s what to do to prepare a proper macaron batter and prevent macarons from cracking during baking.

It’s almost Easter! I have been seeing a barrage of baked goods in the form of bunnies, Easter eggs and chicks on Instagram. For this new Easter macaron, I wanted to blend the latter two together to make one cohesive design. Because really, what came first? The chicken or the egg? Well, I can tell you that for me, the chicken definitely came first because I piped them first lol.

After I posted these onto Instagram, I received a few questions about techniques and even a request for a tutorial. I will post those questions and answers here to make it easier for anyone not tracking my convos with others. As for the tutorial, I would love to have done one but I didn’t get a chance to take any step-by-step photos since my original post theme was to discuss the issue of resting the macaron shell which I did end up making a video for.

Please note, this post contains affiliate links. As an Amazon Associate I earn from qualifying purchases.

What Does Resting the Macaron Shells Mean?

If you’ve been having bad luck with macarons, you’ve probably googled many different kinds of advice which seems conflicting at times. One of those is the procedure of “resting” the macaron shells after baking. “Resting” a macaron shell involves letting it air dry for 30 minutes after piping until the surface loses its glossy sheen and you can lightly touch the shell without any trace of the batter transferring to your fingers. Here, watch this video to see me “petting” these chickies:

“Why Should I Rest My Macarons?”

Letting the macaron shell dry out allows the outer surface to harden up so that when it is baked, the air in the batter will escape from the bottom edge (thereby, creating feet) instead of from the top of the macaron which can cause cracks and/or leave you with no feet at all.

No Rest Macaron Recipes

In my best macaron recipe, I do include instructions on resting until there is a skin. There are some macaron recipes out there that call themselves “no-rest” recipes but it should be clarified that there is nothing different that sets them apart from recipes that require resting. It is simply the author telling you not to do so. They are not guaranteeing that your macaron shells won’t crack during baking, that part is all up to you.

“So, Do I Need to Rest My Macarons?”

This is definitely a controversial topic in macaron baking. Some bakers swear that they never rest their macarons and others swear by it. From all the readings I have done both online and in print, it appears that most bakers are in favor of doing this. Specifically, in both the Laduree Macarons Recipes Cookbook and Pierre Herme Macaron Cookbook, it instructs to do it in this way:

♥ Laduree: “Set aside uncovered for 10 minutes to allow a crust to form.”

♥ Pierre Herme: “Allow the shells to stand at room temperature for about 30 minutes until a skin forms on the surface. The batter should not stick to your fingers.”

Even in my macaron class, it was advised to wait for about half an hour until a skin develops. The important wording to pay attention to is “waiting until a skin or crust forms”. I don’t think it depends so much on the time as it does on the condition of the shell. Sometimes, I can pipe a tray of shells and the ones I piped first can form a crust within the time it took me to finish piping the last one. It really depends on how wet your batter is and on how dry is the environment you are working in.

Now let’s get back to the experience of other bakers who do not rest their shells at all and claims that it’s not necessary. Yes, it is true, not every batter needs to be rested. If the macaron batter is prepared properly and the environment is ideal, it can be baked right away. Batters that are a bit weak and underdeveloped do benefit from resting. The formation of the skin will prevent shells made with these types of batters from cracking. So resting the macaron shells is extra insurance against cracked shells.

What to Do After Piping

– Rap the tray firmly on the counter several times to release the air bubbles inside the batter which can cause cracks
– Remove visible air bubbles with a toothpick by poking and running the tip around that spot to disperse the batter back into one uniformed batter.
– Wait until a “crust or skin” develops. This is characterized by being able to touch the shell without the batter transferring to your fingers.
– Wait until the surface becomes matte and dull and has lost its glossy sheen.

“My Shells Won’t Dry Up”

Sometimes your batter just won’t dry up regardless of how long you have been waiting. The two main reasons for that are “Bad/Wet Batter” and “Humid Environment”:

Bad/Wet Batter 

You should be gaging the health of your batter during the macaronage stage. If it is very easy for the dry and wet ingredients to become homogenous and the batter runs like pancake batter, you may have a case of bad batter on your hands.

There is really no way to fix a bad batter. I would recommend that you bake your shells anyways to gain experience on seeing how a bad batch develops. I recommend baking on parchment paper as it’s more forgiving for wetter batters.

Two issues which can prevent a “bad batter” from resting and developing skin are: “wet batter” and “over folding”.

To ensure that your macaron batter is not too wet:
– use aged egg whites READ: how to age egg whites for macarons
– beat your meringue very firm until stiff peaks
– do not add any liquids to the mixture, use only gel colour or powder colour
– make meringue in a clean bowl free of oil or traces of yolk or water

To prevent over-folding:
– ensure you are folding with the right techniques to deflate some of the air but not all of it
– use the Figure 8 test to gauge when to stop folding the batter VIDEO: How to Macaronage

Air in the Baking Environment is Too Humid

There’s cautionary tales of baking on rainy days and I can only share my experience. I know certain environments can be too humid for the macaron shells to develop a skin. I have heard of baker friends in Hawaii who let their shells dry for hours at a time. I, myself, live in Vancouver, Canada where it rains everyday for months at at time but I do not shy away from baking macarons on the days that it rains.

If you are sure that your techniques are fine and its not a case of bad/wet batter causing your shells to remain wet, you can start on fixing this issue by making changes in your baking environment.

Preparing an optimal environment for baking macarons:
– get a dehumidfier and set it for below 50
– avoid running water for prolonged periods of time in the kitchen
– open all the windows to let moisture escape from your kitchen
– place your shells underneath the range hood fan to further dry them up. (Do not use an external fan to blow directly on the shells. It will make them lopsided.)

“Can My Shells Be Too Dry or “Over-Rested?”

Yes, it can. More is definitely not better. If your shells have already developed a skin and lost its glossy sheen, put them in the oven.  Shells that have become too dry may become lopsided when baked or the feet may get stuck to the mat and break off.

Final Verdict

I like to rest my macaron shells and have had great success with them when I rested them. I have also not rested them and a majority of the time, they bake perfectly because the batter was prepared correctly. For the batters that weren’t prepared properly and I didn’t rest the shells, I have shed a tear or two when they cracked during baking.

FURTHER READING: TOP TIPS ON BAKING SMOOTH AND ROUND MACARONS

Having said all of that, I am a firm believer that for macarons, you should do what works best for you in your kitchen and in your oven. I’ve given you some of my insights into this issue and I hope it will help you come to your own conclusions. What do you think? Feel free to share your own experience with other fellow bakers below in the comments.

Thanks for visiting!

XOXO,
Mimi

Note: This post was originally published on March 27th, 2015

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Comments

  1. Evrim kalenderoğlu says

    December 31, 2020 at 12:37 pm

    Hello, I live in Turkey and it is really humid here and my batter doesn’t get dry easily . While we are waiting them to get dry , they expand . I tried making macarons two times . At the first time, it was summer and it was so humid. The batter didnt get dry. At last I fell asleep while ı was waiting. At the second time , it was winter and the heater was on. They had a skin at the end of 3 hours but some of them expanded and some of them had crucks on it. I think it was becouse of the humid again. After ı pipe them on the baking paper, I turn on the oven and let it heat. And then I I turn the oven off , open the door and put the tray on the door not in the oven. Do the macarons get dry faster with the heat? Thank you so much🙂

    Reply
    • Mimi says

      January 7, 2021 at 10:05 am

      Hi Evrim,
      I can’t say from experience but I have heard of some bakers drying them this way! So you sound like you might be on the right track. Can you share with us how it turned out?
      XOXO,
      Mimi

      Reply
  2. Krishna says

    November 3, 2020 at 9:57 pm

    When I make macarons ,it become crack or no feet. What I do maam?

    Reply
    • Mimi says

      November 9, 2020 at 9:20 pm

      Hi Krishna,
      I have a devoted section for cracked shells and fixes on my troubleshooting guide.
      XOXO,
      Mimi

      Reply
  3. Emily says

    August 19, 2020 at 1:30 pm

    Hello! I live in Georgia, which has very humid summers. I have been letting my macrons rest for 40 minutes+ and they still are kind of wet and shiny. Will resting them longer than an hour be a bad idea? Thank’s for the help!

    Reply
    • Mimi says

      August 27, 2020 at 8:18 pm

      Hi Emily,
      I have heard of Hawaiian bakers who let them rest for hours. I haven’t baked in such a humid environment (although it does rain almost everyday here for months on end), I can’t say from experience but I do believe some climates may require more resting. If your batter is at the right consistency, it should usually bake without needing that much insurance from the resting period. Try waiting longer if they indeed crack with a few test macarons.
      XOXO,
      Mimi

      Reply
  4. Fatema says

    August 8, 2020 at 10:52 am

    Hi Mimi,
    I have tried your recipe. The first time it was perfect. Seems like a one time wonder. After which I tried them 8 times now. Every time I get the same result. Wrinkled tops. They develop feet, taste amazing but wrinkled tops. What am I doing wrong?

    Reply
    • Mimi says

      August 27, 2020 at 1:41 pm

      Wrinkled tops usually comes from overwhipping of the egg whites, the protein can no longer hold onto the water and it starts sweating out. There’s ways to fix this for next time, take a look at my macaron troubleshooting guide.
      XOXO, Mimi

      Reply
  5. Tessa says

    July 12, 2020 at 5:11 am

    Hi mimi,

    I’m literally going crazy over these cookies. Ive been trying to use all your guides to get my macarons fixed. Sadly they progressively get worse…
    1. My first attempt I immediately noticed they were runny when I piped them. They developed extremely tiny feet and some cracked. I thought I had to mix less.
    2. I mixed less and they developed no feet at all, and they all cracked open almost immediately.
    I now ages my egg whited a little under 24 hours and beat the peaks way stiffer and I turned my oven down about 15C
    3. I mixed less and they were much easier to pipe, less runny. Again; no feet, all craked.
    4. I mixed even less until the figure 8 was JUST possible and again they all cracked and had no feet.
    A recurring issue i have is that it takes about 1-2 hours with a direct fan for them to dry and develop a skin…
    I don’t know what to try anymore, any advice?

    Reply
    • Mimi says

      July 29, 2020 at 9:46 am

      Hi Tessa,
      It sounds you have a good process for testing what works for you. Have you looked into the colors you’re using? I recommend using Gel colors that won’t compromise the integrity of the batter. You might also want to use much less or none at all to see if that’s the issue causing your batter to be too “wet”. It sounds like the batter might be too wet, a bandaid solution is to let the shells rest much longer creating an extra hard skin that won’t crack when baked. ( I also wonder if you’re living in a humid environment? some climates do require more resting than others) In the long run, the batter issue should be resolved. Make sure the meringue is stiff enough, until stiff peaks with a firm beak that doesn’t bend.
      XOXO,
      Mimi

      Reply
  6. Tamy says

    June 15, 2020 at 3:00 pm

    Hi mimi
    I have followed your recipe to make french Macarons . Mine developed a tiney feet which you can’t tell and was cracked at the top. I have Rested them for 30 mins till skin developed , also the Meringue was perfect. So I don’t understand what I did wrong.

    Reply
    • Mimi says

      June 24, 2020 at 2:00 pm

      Hi Tamy,
      It sounds like the batter is a bit wet. You can whip them meringue a bit stiffer and don’t fold as much. The air most likely escaped through those cracks that’s why you don’t have feet. If your batter is correct, then you don’t have to rest as long so for added insurance, you can rest them just a bit more. Sometimes resting further past the no-stick on finger stage is needed when the batter is too thin. This is a way to salvage a less ideal batter 🙂 hope you’ll give it a try again.
      XOXO,
      Mimi

      Reply
  7. Amy says

    April 9, 2020 at 11:37 pm

    Hi Mimi,

    I’ve tried your recipe and other recipe and I’m just wondering how you deal with not over resting your macarons? Usually when I make a batter I end up filling two trays. So, when I bake the first tray the second one has to rest longer, therefore the shells on the second tray become lopsided as it’s been sitting for a bit too long while the first tray was still baking . For the first tray everything is fine, no lopsided macarons . How could I handle this? Thanks !

    Reply
    • Mimi says

      May 11, 2020 at 9:27 am

      Perhaps you can try baking the first tray without resting so long, this might give your second try a chance to not dry up as much, or you can stagger the piping just a little longer than you have been. Xoxo, Mimi

      Reply
  8. Jennie says

    February 26, 2020 at 11:51 pm

    Can I use a hairdryer to dry my macaron?

    Reply
    • Mimi says

      March 9, 2020 at 1:48 pm

      I do not recommend it as it can make them lopsided since the air is blowing from different angles. Use a range hood fan if you can 🙂
      XOXO, Mimi

      Reply
  9. Lakeyshia says

    December 30, 2019 at 5:18 pm

    When would you add flavoring extract? I followed the recipe, rapped the pan, allowed skin to form and they cracked when baking. 🙁

    Reply
    • Mimi says

      January 6, 2020 at 2:59 pm

      I recommend adding flavours only to the filling. Through osmosis, the the filling will go on to flavour the shell. I never recommend adding flavouring into the shell to novice macaron bakers. There are too many variables that can cause a macaron to not develop properly, it will be hard for you to pinpoint what went wrong if you also try to change the shell composition by adding foreign ingredients.
      XOXO,
      Mimi

      Reply
  10. Rachael Curtin says

    June 1, 2019 at 9:51 am

    Hi Mimi,

    Tearing my hair out. Been trying to learn how to make macarons and I just can’t seem to get it right. I don’t know where I’m going wrong. I use room temp egg whites, I tried a pinch of salt to stabilise, I’m pretty sure I’m getting stiff enough peaks, and I fold until the batter does the figure 8 ribbons following the technique in the video, i rap the tray after i pipe, etc.

    Even with all that, and letting them rest between 30min to 2hours, they will not develop a skin, and they will not develop feet when baking.

    What am I missing?

    Rachael

    Reply
    • Mimi says

      July 2, 2019 at 10:47 am

      Adding salt actually doesn’t make the egg whites more stable and might actually hinder its ability to remain stable once whipped. An acid is a much better idea for whipping stable egg whites, use cream of tartar or lemon instead. XOXO, Mimi

      Reply
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