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Mirror Glaze Cakes 101 & FAQS

Contents

1. What is a mirror glaze cake?

2. What does mirror glaze taste like?

3. Is a mirror cake difficult to make?

4. How do I make a mirror cake?

5. How long does it take to make a mirror cake?

6. What kitchen tools & equipment do I need?

7. Can I make the glaze in advance? How do I store it?

8. How to pour the glaze over the cake?

9. How long does the shiny glaze last?

10. Help! I ran out of glaze. What do I do?

 

1. What is a mirror glaze cake?

Mirror glaze cakes are cakes that have a shiny, glossy outer surface. This is an old French decorating technique & the "mirror" finish is made by pouring a glaze over a frozen cake. Last year, this style of cake went viral online & if you do a quick google search, you'll see tonnes of pictures!

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2. What does mirror glaze taste like?

The glaze itself is made of sugar, water, white chocolate, condensed milk, gelatine powder & vanilla extract. So it is a very sweet type of icing, but once poured over the cake, it's such a thin layer that you can't really taste it at all.

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3. Is a mirror cake difficult to make?

With this months heart cake, we gave this baking kit a medium difficulty level. But honestly, don't let that deter you at all! 

There are two parts that we'd consider 'challenging'. The first is, you have to make sure that your cake covered with icing is as smooth as possible. This is because once you pour the glaze over it, any bumps & ridges will appear through the glaze. 

Pro tip: Once the icing has firmed up, if you have a metal spatula, like this one, drip it in warm water & wipe it dry. Then go over the icing once more to get a smooth finish. Easy!

The hardest part we felt was when transferring the glaze covered cake to your cake board/ plate. We suggest you wait until the glaze completely stops dripping, then scrape the cake bottom of any excess & carefully transfer.

4. How do I make a mirror cake?

 A mirror cake is made up of three main components:

  1. Cake base of some kind
  2. White icing that will firm up (if cake base is not already white in colour)
  3. Mirror glaze

The most popular way is to make a mousse cake & pour a glaze over that. But it can be any type of cake base! Whats most important is that your base cake is covered with a whitish icing, so that once you pour the mirror glaze over it, the colour will pop!

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5. How long does it take to make a mirror cake?

It's recommended that you freeze your iced cake overnight so that a) the glaze will set faster & also (in the chance) that your glaze is a bit hot, it won't do too much damage to your cake underneath.

With our red velvet cake, which is covered with cream cheese icing, long as you freeze it for 1-2 hrs or until the icing is firm, it was fine to pour our glaze over it.

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6. What kitchen tools & equipment do you need?

You will need bowls, spoons, a saucepan, whisk/spatula & a sieve.

Many people do use a handheld blender to mix their glaze. Great if you have one, but we don't think it's necessary. After pouring the mixture over the white choc, if you let it sit for about 5 mins, the heat from the mixture is generally enough to melt the white choc.

If you have a thermometer, use it, as the best temperature for pouring is when the glaze is at 35°C. But if you don't have one, don't bother buying one just for this. Make sure your glaze about lukewarm (ie. you can easily dip your finger into the mixture), then it should be fine to pour.

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7. Can I make the glaze in advance? How do I store it?

Yes, you can make it a few days in advance. To store, cover with cling wrap, ensuring the cling wrap is touching the surface of the glaze & refrigerate. Best to keep it in a heat-safe bowl/jug so that, once you're ready to use it, you can pop it in the microwave to heat it up.

But we do strongly recommend that you pour your glaze on the day of serving.

 

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8. How to pour the glaze over the cake?

 You'll need to create a 'dripping station' to allow the glaze to drip off your cake. In our video below, we used a few cups & a baking tray to capture the excess glaze.

9. How long does the shiny glaze last?

We strongly recommend you pour the glaze over your cake on the day that you want to serve it.  But generally speaking, it can last a few days, tho we've found, it does depend on how cold your fridge is.

Eg. Using my home fridge, after refrigeration, it'd still remained shiny. But the next day, due to condensation, it looked cloudy in appearance. If that happens to your cake too, if you wet your finger with water & gently rub it over your cake, it does make the glaze shiny again.

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10. Help! I ran out of glaze. What do I do? 

Don't worry! You can re-use the residue glaze that has accumulated on your tray, but do work quickly! Once your glaze has set, the newly poured glaze will sit on top & not melt into the first layer.

If you glaze is one colour, you can pour it directly on the top of the cake & it'll naturally drip down the sides. But if you have made a design on the top, instead, carefully drip it down the sides like we've done in the video below:

 

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If you have any other queries or think we've missed something that we should include in our Mirror Glaze Cake 101 blog let us know in the comment section!

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  • Bake It Box on

    Hi Marie,
    Re: “so this technique really won’t keep well for a couple days?”
    Good question. If you are making a homemade mirror glaze, then, your glazed cake just won’t be as shiny as it was when you first poured it, that’s all.
    Alternatively, perhaps consider a ready-made glaze? We haven’t used them ourselves, but I would think they’d retain their shine for longer vs. homemade. See if your local cake decorating store stocks them.
    Cheers,
    Emily. Bake It Box.

  • Marie Dillingham on

    hm.. I’m not able to glaze a cake the day of the event.. I work… so this technique really won’t keep well for a couple days?

  • Bake It Box on

    Sorry, we didn’t get back to your question Dani.
    Yes, Elizabeth is completely right (thanks Elizabeth for answering)! If you do want to freeze the cake, best to freeze the whole ‘iced cake’ & only pour the glaze on just before you are ready to serve.
    Cheers,
    Anna, Bake It Box.

  • Elizabeth on

    You can technically freeze it like every other cake but the glaze will not be shiny like when you first pour it. The condensation that forms on the cake will make it cloudy so dont expect it to look the way you want it too once defrosted.

  • Dani on

    Can a mirror-glazed cake be frozen. How long?


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