Low-Carb Marshmallow Fluff Frosting

Posted on September 11, 2012. Filed under: Icings, Spreads & Fudges | Tags: , , , |

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Low-Carb Chocolate Muffin with DIY Low-Carb Marshmallow Fluff Frosting, Frosting Piped

Marshmallow fluff is not the easiest thing to convert into low-carb. Commercial sugar-laden versions have high-fructose corn syrup as main ingredient — which is really bad, bad, bad. And sticky. With low-carb ingredients you cannot get that sticky result, at least not easily. But since I’m not in favor of stickiness, I created this yummy airy, fluffy frosting as healthier low-carb alternative to fill and frost your baked goods.

 

 

 

Low-Carb Marshmallow Fluff Frosting

5.3 oz = 150 g organic unsalted butter (room temperature)
1/4 cup = 60 ml = 55 g erythritol crystals
20 drops vanilla stevia
1 teaspoon gelatin
3 egg whites from extra large organic eggs

 

Directions

  1. Combine 2 oz (50 g) butter, erythritol, vanilla stevia and gelatin in a saucepan.
  2. In a deep and narrow bowl, beat the egg whites until stiff peaks form. Set aside.
  3. Slowly start heating the butter mixture in the saucepan over a medium-low heat constantly mixing along the bottom.
  4. Heat until the butter has melted and erythritol and gelatin are dissolved. The mixture can bubble a bit, but don’t let the butter get any color.
  5. Slowly drizzle the hot butter mixture into the egg whites while constantly beating with an electric mixer. Be careful not to burn yourself, the mixture is really hot!
  6. Refrigerate approximately for an hour until the frosting has cooled down to room temperature but not completely solidified.
  7. Beat the rest of the butter (3.3 oz = 100 g) into the frosting. Beat at least 3 minutes to get airy and fluffy result.
  8. Store refrigerated, but take an hour or two before using to room temperature. The frosting gets hard in the fridge.

 

 

 

Nutrition information Protein Fat Net carbs kcal
In total: 18.8 g 122.0 g 1.1 g 1183 kcal
Per portion if altogether 12 portions: 1.6 g 10.2 g 0.1 g 99 kcal
Per portion if altogether 16 portions: 1.2 g 7.6 g 0.1 g 74 kcal
Per portion if altogether 20 portions: 0.9 g 6.1 g 0.1 g 59 kcal
Per portion if altogether 24 portions: 0.8 g 5.1 g 0.0 g 49 kcal

One tablespoon frosting weighs approximately 1/2 oz (14 g) .

 

 

Low-Carb Chocolate Muffins with Low-Carb Marshmallow Fluff Frosting, Frosting Smeared

 

Tips for making this frosting

All the ingredients should be at room temperature.

Melt the butter and gelatin mixture slowly so that erythritol and gelatin dissolve totally. Don’t let the butter get any brownish color, otherwise the frosting will taste bad and burnt.

Once again, the hot butter mixture is really hot, don’t burn yourself while pouring it into the beaten egg whites. It’s good to drizzle the hot butter into the egg whites very slowly so that the peaks keep stiff.

When you chill the egg white mixture, don’t let it chill and solidify completely. One hour chilling was working best for me. Then the mixture was a bit cooler than room temperature.

When you beat the butter into the egg whites after chilling, the frosting might look curdled at first. Don’t care, just continue beating. The butter will incorporate into the egg whites after some vigorous beating.

This recipe uses raw egg whites. I cannot say how hot the egg whites get when pouring the hot butter mixture into them, so use pasteurized egg whites if you want to get things really safe. Another option is to use egg white powder, which is pasteurized. Make the egg white replacement according to the instructions and whip until stiff peaks form.

I tried this frosting with egg white powder too. When beating, I couldn’t get stiff peaks, the egg whites stayed quite soft. However, the ready frosting was as good as with raw egg whites.

Nevertheless, this is a simple frosting to make, and sure delicious!

 

 

Low-Carb Marshmallow Fluff Frosting, Piped on Spoons

 

My experiments with this frosting

From the Internet you find nice recipes for low-carb marshmallows. There is also a recipe for low-carb marshmallows in one of my all-time favorite cookbooks: The Low-Carb Baking and Dessert Cookbook. I tried that recipe once, or was it twice, and the result was quite okay to satisfy my craving for marshmallows. However, the dessert was far from the commercial versions. Well, for low-carb marshmallows you cannot use that sticky high-fructose corn syrup, or other high-carb syrups.

I have lately been developing a recipe for low-carb whoopie pies. I actually have some books full of nice recipes for whoopie pies. Not low-carb, though. The traditional whoopie pies have filling made from marshmallow fluff and some confectioner’s sugar and butter combined with it. I’ve never seen a low-carb version of marshmallow fluff, so I had to develop one.

I started with the usual ingredients for low-carb marshmallows: egg whites, gelatin and sweetener. Since the traditional whoopie pie filling recipes contain butter or shortening, I also added butter to my ingredients list.

First I let the gelatin soak in water, which is the usual way. Then I wondered what would happen if I melted part of the butter and let the gelatin dissolve there. That would also solve the issue with erythritol and that darned gritty mouthfeel what it easily has when beaten into frosting or other non-heated stuff.

I was surprised how well it worked. The erythritol dissolved nicely into the hot butter, so did the gelatin. I just slowly drizzled the hot butter mixture into the beaten egg whites like when making meringue. Then I put the bowl to the fridge for chilling and checked every now and then how it looked.

In my later experiments I heated the butter too fast and then the gelatin didn’t dissolve, it formed tiny lumps. I think I did close to ten batches of different experiments before I was satisfied. And then some repetitions of this recipe to check that everything was in order.

 

Low-Carb Marshmallow Fluff Frosting, as Filling in Low-Carb Chocolate Muffins

 

Tips for variation

This frosting works well for all kinds of muffins and cupcakes. You can also frost a sheet cake with it. Use it also as filling. It’s heavenly for example with these Chocolate Mini Muffins.

Or, use the marshmallow fluff frosting in a traditional way and make your own low-carb whoopie pies by filling coconut flour or almond flour-based small cakes or chewy cookies with it.

For dairy-free version you can use for example Spectrum organic vegetable shortening. I personally prefer the buttery flavor in this frosting, so that’s why I use butter. I haven’t tried how for example Earth Balance Natural Buttery Spread would work here. It’s supposed to have quite a buttery taste.

You can add some flavorings or flavored stevia instead of vanilla stevia to get some variety.

And, don’t throw away the egg yolks. Use them as sauce or soup thickener, or use them for example for egg-nog.

 

Low-Carb Marshmallow Fluff Frosting, as Filling in "Traditional" Low-Carb Whoopie Pies

 

Low-Carb Marshmallow Fluff Frosting, as Filling in Low-Carb Whoopie Pies

 

Low-Carb Marshmallow Fluff Frosting, as Filling in a Low-Carb Whoopie Pie Pile

 

 

 

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16 Responses to “Low-Carb Marshmallow Fluff Frosting”

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Would I be able to substitute the erythritol with powder stevia? I’m on a strict diet that only allows stevia and xythol (or however you spell that). And if so, how much should I use?

Hi Stephanie, yes, I guess powdered stevia should work and it would be actually better in that sense that it dissolves better than erythritol crystals. However, I haven’t tried out powdered stevia because I haven’t found a proper brand which wouldn’t have any bitter aftertaste.

If you make the frosting, just pay attention that you drizzle slowly enough the hot butter mixture into the egg whites and beat vigorously at the same time. Another important thing is to refrigerate the frosting before adding the rest of the butter so that the frosting is approximately at room temperature, so not too warm and not too cold, and the frosting hasn’t completely set, just a little bit. One hour was ideal time in my fridge.

Hope you succeed and you like the result!

Hi, I really love your recipes!. Do you know anyone who has a low carb sugar free version of a candied yams with marshmallows recipe?. I haven’t found one.

Hi Kelly! It’s so great to hear that you like my recipes! Unfortunately I haven’t seen any low-carb versions of candied yams with marshmallows. I’ll let you know immediately if I ever see one.

Mine curdled too! I wonder what it could have been… Oh well. At the first stage ( before adding the butter) it tasted delicious!

I’m so sorry to hear that! And I have tested the recipe sooo many times… Could it be that the gelatin mixture was still too warm before adding the butter? Or the butter was too warm? I must figure out if there is a way to rescue the curdled frosting. Again, I’m very sorry your frosting curdled.

I had to try this frosting again today and I followed the directions (written by me…). The frosting turned out fluffy, without any sign of curdling. I have to admit that when I started beating the butter and the chilled gelatin and egg white mixture together, the frosting looked curdled at first, but after some vigorous beating the butter incorporated nicely into the frosting. I used a deep and narrow bowl all the time and the highest speed of the mixer. I still try to figure out if you can rescue the curdled frosting somehow. I just have to get the frosting curdled first…

I couldn’t get my butter to incorporate into my egg white mixture. I’m not sure why. The butter was room temperature. Any ideas what could have happened? Its like a greasy curdled mess.

Hi, I’m so sorry to hear that the frosting curdled. The first thing which comes into my mind is, that the chilled butter and egg white mixture could have been too cold or too warm. After approximately one hour chilling it should be still more or less at room temperature or lukewarm. If it’s too cold, the frosting curdles when the butter is added to it. (This happened to me in my first experiments.) If too warm, the butter melts and the frosting curdles.

Here are more ideas, which came into my mind:
1) The frosting turns out better and fluffier if you do it in a deep and narrow bowl
2) When adding the butter to the chilled butter and egg white mixture, it is as well to beat on the highest speed possible. Even if the frosting looks curdled at first, usually the butter incorporates into the butter and egg white mixture after a while
3) If you have already curdled frosting where the butter doesn’t incorporate into the butter and egg white mixture after a couple of minutes of vigorous beating, you can try to fix the curdling with xanthan. Add one pinch xanthan to the curdled frosting and beat vigorously at maximum speed. This works well for cream cheese frosting, and sometimes for the marshmallow fluff frosting as well.

Again, I’m sorry about the curdled frosting.

Could you use truvia instead of Erythritol?

Hi, I would expect Truvia can also be used. I suppose 1/4 cup (60 ml) Truvia makes too sweet frosting since it has stevia in addition to erythritol. I wonder if the best result comes, if you omit vanilla stevia and use 1/4 cup Truvia. For vanilla flavor you could use vanilla extract. I haven’t tried this out, this is just my wild guess.

Hi – is there a reason you pour the near-boiling hot butter directly into the beaten egg whites? You mention keeping the peaks stiff, but I inferred that’s why you pour it slowly, not why you do it in this order.

Thanks for any insight you might have, and also for some tasty, yet healthy low carb recipes.

Hi Marge and thanks for your question. Yes, there are few reasons why the hot butter is poured into the beaten egg whites. First of all, the egg whites are beaten first to give the maximum volume to the frosting. Secondly, the butter mixture is poured while it’s hot to prevent gelatin forming lumps or erythritol crystallizing. The hot butter also gives some shine to the frosting when poured into the beaten egg whites. Hope this answers to your question.

Thanks for such a fast response! Yes, this explains it very well. Bonus points for your screen name. :^D

the frosting looks good. i’d like to try it.

Thanks, Dina! Hope you like it.


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