Italian Meringue Buttercream Recipe - Gretchen's Vegan Bakery (2024)

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The best Vegan Aquafaba Italian Meringue Buttercream Recipe you will ever try!

Italian Meringue Buttercream Recipe - Gretchen's Vegan Bakery (1)

You may have heard that Italian Meringue Buttercream is the best in terms of strength, stability and taste.

Cooking a sugar solution to 240°F and then pouring that hot syrup into the whipping meringue makes the most beautiful, glossy, stiff peaked meringue buttercream you will ever see.

The sweetness of this one is perfect since many people complain that buttercream is always way too sweet!

And for the minority that complain it is not sweet enough so if that is you, just add more confectioner sugar!

Italian Meringue Buttercream Recipe - Gretchen's Vegan Bakery (2)

Most recipes made with aquafaba meringue have a tendency to “break” or “curdle”

But this recipe less so, due to the ultra stable meringue from that sugar syrup.

Italian Meringue Buttercream Recipe - Gretchen's Vegan Bakery (3)

If all this buttercream talk has you confused as to which one is best for you and your projects?

Click here to read about Choosing the Best Buttercream Recipe

Italian Meringue Buttercream Recipe - Gretchen's Vegan Bakery (4)

WATCH THE FULL YOUTUBE VIDEO TUTORIAL FOR HOW TO MAKE THIS RECIPE!

Italian Meringue Buttercream Recipe - Gretchen's Vegan Bakery (5)

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Notes for Success:

You will need an instant read thermometer or a candy thermometer to cook the sugar syrup to 240°F this is very important to get the sugar to the right temperature

If you are boiling your own beans instead of using canned, first rinse them well, then soak 2 cups of beans in 4-5 cups of filtered water for at least 12 hours preferably overnight.
Then the next day you will drain the soaking water, rinse the beans well and replace with clean fresh water for the boiling process.
Another 4 cups of fresh filtered water to the rehydrated beans gets cooked through to fork tender (about 35-45 minutes)
You will get about 2-3 cups of magical bean water that we used to throw down the sink!
Reserve that golden aquafaba and cool it to room temperature, then store it for up to 1 week in the refrigerator or up to 2 months in the freezer.

If the chick pea water seems too thin just keep boiling it and it will reduce down and thicken more.
The more concentrated the AF is to start the firmer and stronger your meringue will be.
If you have ever experienced a curdled “broken” buttercream this is from the off balance of moisture in the recipe causing the emulsion to become over-saturated and thus curdled.

Be sure to click through to see how to save a failed buttercream!

Italian Meringue Buttercream Recipe - Gretchen's Vegan Bakery (6)

Let’s Talk About Vegan Butter

Low moisture content is the key to success in any buttercream recipe!
I am partial to Earth Balance vegan butter *not sponsored
Although It is quite pricey at close to $5 per pound, it is the most stable in buttercream recipes since it has the lowest moisture content of all the vegan butters
Earth Balance will also firm up upon refrigeration which is the one thing that other vegan butters typically will not do!
That said I do use cheaper vegan butter when I cannot find or afford the Earth Balance brand.

So just be sure to do some trials and errors until you find the vegan butter that has the lowest moisture content, unfortunately this is not something that is listed on a label!

The addition of butter flavor is optional but because vegan butter is usually tasteless, I find the addition to be essential!
If you do use it, do so sparingly as it can give an off taste if you use too much.

I find the Olive Nation brand to be the best, and they offer a 20% discount on anything you order!

Use Discount Code GVB20 at checkout

Italian Meringue Buttercream Recipe - Gretchen's Vegan Bakery (7)

Since the development of this recipe back in 2017 I have recently been leaving out the shortening altogether, simply by replacing it with more vegan butter!
Shortening does nothing more than stabilize the buttercream for cakes that are to be displayed in hot climates or transporting long distances
And since I do not do this anymore, I find the all vegan butter version to be just great!
If you do need to use shortening though be sure to use a Hi Ratio Cake Shortening like Sweetex brand is the best

Yield: 6 cups

Italian Meringue Buttercream Recipe

Italian Meringue Buttercream Recipe - Gretchen's Vegan Bakery (8)

Prep Time1 hour

Cook Time10 minutes

Total Time1 hour 10 minutes

Ingredients

  • Aquafaba 1½ cups (355ml)
  • Granulated Sugar 1 cups (200g)
  • Water 1/3 cup (60ml)
  • Cream of Tartar ½ teaspoon
  • Softened Vegan Butter 4 sticks (454g)
  • Confectioners Sugar 2 Cups (240g)
  • Vanilla Extract 2 teaspoons (10ml)
  • Butter Extract 1 teaspoon (5ml)

Instructions

  1. First reduce the 1½ cups of aquafaba down by bringing it to a boil then simmering for about 20 minutes until it is to 3/4 cup - 1 cup volume
  2. Refrigerate until cold and gelatinous
  3. Once the AF is cold you will start whipping it with the cream of tartar on medium to high speed while you cook the sugar syrup at the same time
  4. Combine the water and sugar together in a heavy bottom sauce pot and bring to a boil over high heat.
  5. Once it boils do not stir or agitate the pot
  6. Attach a candy thermometer and cook to 240°F
  7. It should take about 10-15 minutes to reach temperature which is approximately the same time it takes to get the AF to stiff peaks.
  8. Slowly pour the hot sugar syrup into the whipping meringue as shown in the video.
  9. Once all the sugar syrup is added continue whipping to cool down the meringue and you can help it cool faster by placing a bowl of ice water under the mixer bowl.
  10. Add the sifted confectioner sugar and whip smooth
  11. Add the vegan butter only once the meringue has cooled to below 100°F
  12. Whip smooth then add the vanilla & butter extracts

Notes

Buttercream can be stored at room temperture in an airtight container for up to 3 days.

For longer storage keep refrigerated CLICKHERE for how to rewhip a cold buttercream

Italian Meringue Buttercream Recipe - Gretchen's Vegan Bakery (2024)

FAQs

What is the difference between buttercream and Italian meringue buttercream? ›

What's the difference between buttercream and Italian meringue buttercream? Italian buttercream is meringue-based and very light, creamy, and less sweet than American buttercream. American buttercream is sweeter but has the advantage of being quick, easy to make, and sturdy.

Why is my vegan buttercream grainy? ›

That's right - you NEED the vegan butter to be room temperature before you start working with it. If you've ever made vegan buttercream and it's split or gone grainy, this is most likely the reason why. Get it nice and soft, then whack your vegan butter in the stand mixer and beat like crazy until smooth.

Why does my Italian meringue buttercream look like cottage cheese? ›

If the buttercream looks like cottage cheese, the butter is too cold and the buttercream will need to be gently heated. You can also use your hands to feel the bowl. Does it feel chilled to the touch? That also is an indication that the butter may be too cold.

Why is my Italian meringue buttercream gone wrong? ›

Chilling it may help. You can just put the bowl in the fridge for 30 minutes or if you're using a hand blender you can set the bowl in a larger bowl with some ice. You can also try adding more butter a tablespoon at a time once the meringue has cooled. Butter should be cool but malleable, not too soft.

What buttercream do professional bakers use? ›

Swiss meringue buttercream is probably the most standard buttercream for pastry professionals. It is incredibly smooth, making it an extremely popular choice for icing cakes. Compared to American buttercream, it has a much stronger butter flavor, but is considerably less sweet.

What are the pros and cons of Italian buttercream? ›

ITALIAN BUTTERCREAM

Pros – It is soft, smooth and not too sweet. It also gives you those sharp edges on a cake – it is just not as easy to smooth as the Swiss. Cons – It takes a while for the eggs whites/sugar mixture to cool down in the mixer. But you can just leave it running and go do other things.

How to stop vegan buttercream splitting? ›

How to stop it splitting. If your buttercream starts looking soft and floppy, just stick it in the fridge (or freezer if it will fit) for 15 minutes. You'll see it stiffen up and be able to work with it again.

Which dairy free butter is best for buttercream? ›

Two good options for this recipe would be Earth Balance sticks and Country Crock Plant Butter (my personal preference). If you have another butter that's at least 79-80% oil/fat though, it should be fine.

Does vegan buttercream melt? ›

The first thing that could be going wrong if your vegan buttercream is falling apart is that you might be using a butter substitute that has a lower melting point, meaning it will start melting at a lower temperature. Different brands have different melting points and you need to find the one that works for you.

Can you over whip Italian meringue buttercream? ›

Don't Overbeat! If egg whites are whipped for too long they will eventually collapse because it has a curdling effect on the egg protein. To avoid over-whipping, keep your mixer at medium-high speed, rather than going full speed ahead.

How long can Italian meringue buttercream sit out? ›

Italian buttercream can be left at room temperature for 2-3 days. I usually refrigerate leftover buttercream if I'm not going to use it in 24 hours. It can be frozen for 6 months or more. Bring the buttercream to room temperature and re-whip until it's a smooth consistency before you use it.

Which is better, Swiss or Italian buttercream? ›

Swiss Meringue buttercream is silky smooth and light. It's perfect if you're looking for a slightly less sweet buttercream. It is, however, more time consuming to make than American buttercream. Italian Meringue buttercream is the least sweet of the three.

Why does my Italian buttercream look grainy? ›

If your buttercream ends up with a grainy texture, don't worry. There are simple steps you can take to fix it. Usually it is grainy from the sugar not dissolving into the butter properly. One easy fix is to re-whip the frosting, preferably with the paddle attachment, on medium speed until it becomes smoother.

Which buttercream is best for decorating a cake? ›

Swiss meringue buttercream is a favorite among many cake decorators because of its smooth finish on the outside cakes and its ability to hold piping detail.

What is the most stable buttercream for decorating? ›

The most stable of the buttercreams, Italian buttercream is made from a meringue made bystreaming hot sugar syrup into egg whites as they're being whisked.

What are the 4 types of buttercream? ›

Classically there are four main types of buttercream: Italian, German, French & Swiss.

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