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    You are here: Home / Frosting / Ermine Frosting

    Ermine Frosting

    August 10, 2020 Updated August 21, 2020 BySam 184 Comments

    This post may contain affiliate links. As an Amazon Associate I earn from qualifying purchases. Please read my disclosure policy.
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    collage of ermine frosting, cupcake with icing on top, process photos underneath

    Ermine Frosting is an old-fashioned recipe also often known as “boiled milk frosting”. It’s silky smooth and less sweet than traditional buttercream and is the traditional frosting used for red velvet cake. If you’re not a fan of sugary, overly-sweet icings, you’ll appreciate the more subtle sweetness but beautiful pipe-ability (it’s great for decorating) of today’s recipe. Recipe includes lots of tips and a how-to video so you can have flawless results in your own kitchen!

    ermine icing on cupcake

    Adding another one to my frosting library today! This was a must-have considering the recipes I have coming for you later this week… (hint!)! Ermine frosting is a classic, old-fashioned recipe that’s been around for ages. I bet your grandmother knows how to make it! 

    It’s great for piping and can be colored with food coloring. While there is some stovetop time required, there’s no candy thermometer needed. If you’ve tried my Whoopie Pies yet and made the filling, you’ve essentially had ermine frosting before, but today we’re making it the traditional way with granulated sugar. 

    billowy icing after whipping

    What Does Ermine Icing Taste Like?

    If I had to compare it to any of my other frostings I would say it most reminds me of my Swiss meringue buttercream. It’s buttery, silky smooth on the tongue, and not too sweet. In fact, it’s much less sweet than traditional buttercream frosting. I have to be careful when I make it, it’s so delicious it’s easy to eat several cupcake’s worth by the finger-full without even realizing it.

    ingredients for ermine icing

    What You Need (and Key Ingredient Tips and Substitutions):

    • Sugar. We are using white granulated sugar and not powdered sugar (which is the most commonly used icing sugar, and what I use for my cream cheese frosting.). Don’t worry, we’ll cook this with our flour and milk so your icing will not be grainy. Brown sugar may be substituted (expect a richer, slightly caramelized flavor!).
    • Flour. Use all-purpose or plain flour, and whisk it well with the sugar to remove any lumps. Flour works as a thickener here and we’ll be making a pudding out of the flour, sugar, salt, and milk. This will then be whipped into the butter, giving our Ermine frosting its signature consistency and smooth, velvety mouthfeel. 
    • Salt. For flavor.
    • Milk. I use whole milk, but 2% milk would work as would almond or coconut milk.
    • Butter. I recommend using unsalted and adding salt to best control the flavor, but if you only have salted on hand please see my post on substituting salted for unsalted butter. The butter should be softened, but not so soft that it’s greasy or melty or your ermine frosting will be too soft. 
    • Vanilla extract. You may substitute your favorite flavoring, but vanilla is the classic flavor used here.

    If you’d like, you can also add any food coloring. Stir this in at the end until the desired color is reached (I love using gel food colorings for the most vibrant color). 

    whisking roux in metal saucepan

    How to Make Ermine Frosting BRIGHT White

    Ermine frosting typically turns out to be very white, but if your butter is particularly yellow or your vanilla extract particularly dark, then sometimes it doesn’t have that pure, snow-white consistency you might be looking for. To get a pure white frosting, I recommend using clear vanilla extract instead of typical vanilla.

    If that isn’t enough to keep your frosting a true-white color, you can add a tiny bit of violet colored food coloring. And I do mean a tiny bit! I dip the very end of a toothpick into the food color, dip that in my frosting, then stir well. This works because violet is on the opposite end of the color wheel from yellow (and if your frosting isn’t bright white, it’s yellow from the butter and vanilla), so we balance this with a tiny hint of violet for bright white frosting. 

    What to Pair It With:

    Ermine icing is traditionally made to be served on red velvet cake and red velvet cupcakes. Click the links to see my perfected version of each.

    It will also work with just about any of my other cake or cupcake recipes but pairs especially well with my chocolate cake, coconut cake, chocolate cupcakes, and dark chocolate cupcakes.

    creamed butter in mixer bowl

    Troubleshooting

    While ermine frosting is generally pretty simple to make, occasionally a would-be-cake-decorator finds themselves with a melty, gloppy mess instead of a bowl of billowy smooth frosting. There are three main issues that usually cause this, and knowing about them in advance and knowing what to look for is the best way to prevent this. 

    Runny Frosting

    • Your roux wasn’t cooked properly. It’s important to whisk constantly while cooking and keep your heat on medium. Do not crank the heat up to high to speed up the cooking process, or you’re liable to burn your roux and the sugar won’t have a chance to melt properly. Remember: medium-low and slow is the way to go!
    • The flour mixture was added to the butter before it was cooled completely. This is so important. If your roux is even a bit too warm when you add it to your butter, you’ll have a greasy, curdled mess on your hands. Have patience and let it cool completely. 
    • Your butter was too soft. Remember, you want it to be softened, but not to the point where it is melty or oily to pick up. If your butter is too soft (this happens quickly, especially during the summer) you could end up with an icing that’s much too soft and runny. I usually remove my butter from the refrigerator 45-60 minutes before I’m ready to begin creaming it for the frosting.

    If your frosting isn’t necessarily “runny” but is still quite soft and difficult to decorate with, it may just be a bit too warm. Pop it in the fridge for 20-30 minutes before using.

    Help! My Icing Curdled!

    If your ermine frosting looks curdled, split, or grainy, the most likely problem is that either your butter was too cold or your flour mixture was too cold. 

    Don’t worry, there’s still hope! Keep whipping it (this could take several minutes or longer) and most of the time it will eventually come together.

    whipped icing with whisk attachment

    Storing and Making in Advance

    You can make ermine frosting up to a week in advance of using. Store in an airtight container in the refrigerator. Before using, let the frosting come sit at room temperature for at least 15-30 minutes. You may need to briefly whip it again with an electric mixer to return it to the proper consistency before using. Alternatively you may freeze in an airtight container for several months. Thaw in the refrigerator overnight, then follow the steps above (sit at room temperature and re-whip) before using.

    Once you’ve frosted your cake or cupcakes, this icing will do well at room temperature (below 75F) for up to two days. Beyond that I recommend refrigerating. As with just about any frosting recipe, this one does not stand up well to heat and is prone to melting outdoors at high summertime temperatures.

     

    Other Recipes to Try:

    • Peanut Butter Frosting
    • Cookie Dough Frosting
    • Chocolate Buttercream

    Enjoy, and stay tuned for my long-awaited Red Velvet Cake recipe that’s coming later this week!

    Let’s bake together! Don’t forget to watch the how-to VIDEO in the recipe card! 

    ermine icing on cupcake

    Ermine Frosting

    Ermine Frosting is an old-fashioned recipe also often known as "boiled milk frosting". It's silky smooth and less sweet than traditional buttercream, and is the traditional frosting used for red velvet cake. If you've never made this icing before, be sure to watch the how-to video first!
    This recipe makes approximately 3 cups of icing; enough to cover a two layer 8" or 9" round cake, a 9x13 sheet cake, or 12 cupcakes. It can be doubled.
    4.95 from 57 votes
    Print Pin Rate
    Course: Dessert
    Cuisine: American
    Prep Time: 20 minutes
    Cook Time: 5 minutes
    Cooling Time: 2 hours 20 minutes
    Total Time: 2 hours 45 minutes
    Servings: 12 servings (¼ cup each)
    Calories: 225kcal
    Author: Sam Merritt

    Ingredients

    • 1 cup granulated sugar (200g)
    • 5 Tablespoons all-purpose (plain) flour (40g)
    • ¼ teaspoon salt
    • 1 cup milk¹ (236ml)
    • 1 cup unsalted butter softened but not melty (226g)
    • 1 teaspoon vanilla extract

    Recommended Equipment

    • Medium saucepan
    • Mixing bowls
    Prevent your screen from going dark

    Instructions

    • Combine sugar, flour, and salt in a medium-sized saucepan and whisk well to combine and remove any lumps from the flour.
    • Turn stovetop heat to medium and whisk in milk until mixture is smooth.
    • Continue whisking constantly until mixture is thickened to a pudding-like consistency (do not crank up the heat or you’ll burn it and the sugar won’t dissolve properly) and the whisk leaves a trail.
    • Remove from heat and pour into a heat-proof container and cover the surface with a piece of plastic wrap, wax paper, or parchment paper pressed directly against the surface (to prevent a skin from forming). Allow to cool completely to room temperature (alternatively you may make this mixture a day or two in advance, store in the refrigerator, then bring to room temperature before proceeding).
    • Once flour mixture has cooled, use an electric mixer or stand mixer to beat butter on high speed until it is light and fluffy (this usually takes several minutes, and you may need to scrape the bowl with a spatula).
    • Reduce mixer speed to medium and gradually add flour mixture, one heaping spoonful at a time, waiting until each spoonful is incorporated before adding the next and beating until all ingredients are well-combined. Scrape sides and bottom of bowl with a spatula, then stir in vanilla extract. Gradually increase speed to medium-high and whip frosting until it is smooth, light, and airy (it should not seem greasy). If you have any difficulty or experience your frosting splitting please see the troubleshooting section in the blog post.
    • Use your spatula to deflate the frosting to work out any air bubbles, then use as desired.

    Notes

    ¹I use whole milk, but 2%, almond, soy, or coconut milk would work as well.
    Coloring: This frosting can be colored; add food coloring at the end and stir until well-incorporated.
    Fondant: This frosting is not ideal to use beneath fondant as it is fairly soft.
    Flavor: Supplement or substitute the vanilla extract for your favorite flavor. For chocolate ermine frosting, stir in ¼-1/3 cup cocoa powder after adding all of the flour mixture and whip until well-combined.

    Storing

    Store in an airtight container in the refrigerator for up to a week. Before using, allow icing to sit at room temperature for 30 minutes or longer and then re-whip with mixer before using. Frosting may also be frozen for several months, thawed in the refrigerator, and then brought to room temperature, whipped, and used.

    Nutrition

    Serving: 1serving (about ¼ cup) | Calories: 225kcal | Carbohydrates: 20g | Protein: 1g | Fat: 16g | Saturated Fat: 10g | Trans Fat: 1g | Cholesterol: 43mg | Sodium: 60mg | Potassium: 36mg | Fiber: 1g | Sugar: 18g | Vitamin A: 506IU | Calcium: 28mg | Iron: 1mg

    Nutritional information is based on third-party calculations and should be considered an estimate only. Actual nutritional content will vary based upon brands used, measuring methods, cooking method, portion sizes, and more.

    Tried this recipe? Show me on Instagram!Mention @SugarSpun_Sam or tag #sugarspunrun!
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    Reader Interactions

    Comments

    1. Sarah

      February 15, 2023 at 11:41 am

      Is there a way to make a white chocolate ermine frosting? Looking for something less sweet than buttercream but with a white chocolate flavor.

      Reply
      • Sam

        February 19, 2023 at 10:01 pm

        Hi Sarah! Honestly I’m not sure. I haven’t experimented with it so I’m not sure how it would turn out.

        Reply
    2. Jithu

      January 26, 2023 at 6:47 am

      Hi my frosting is fine when i make it after a while there are so many air pockets. It kind of elastic. Can you help me

      Reply
      • Sam

        January 26, 2023 at 11:31 am

        Hi Jithu! I’m not sure what you mean about it being elastic as I have not experienced this before, but for the air bubbles I would simply use a spatula to sort of smooth the frosting against the side of the bowl until you’ve squeezed out many of the bubbles and made it smooth again. I hope that helps!

        Reply
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    The author (Sam) in blue shirt holding donut Hi, I'm Sam! I'm dedicated to bringing you sweet, simple, and from-scratch dessert recipes. My life may or may not be controlled by my sweet tooth. Send help (or chocolate). Read more about me.

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