Russian Buttercream is the hidden gem of the cake decorating world, offering a silky, glossy cream frosting that requires no powdered sugar and zero meringue stress. If you are looking for a recipe that delivers smooth ivory swirls with a rich, milky flavor, this is the ultimate solution for your next baking project.
This Russian Buttercream recipe (also known as condensed milk frosting) relies on the magical emulsion of high-quality fats and sugars. Unlike American buttercream, it isn’t gritty, and unlike Swiss Meringue Buttercream, it doesn’t require a double boiler or a candy thermometer.

Why This 2-Ingredient Frosting Wins Every Time
- Unbelievable Texture: It creates a thick, glossy Russian buttercream frosting that is incredibly stable for piping intricate flowers.
- Not Too Sweet: The sweetness comes entirely from the thick sweetened condensed milk, resulting in a balanced, milky finish.
- Glossy Visuals: The final product has a smooth ivory sheen that looks professional and high-end on any cake.
- Foolproof Method: With only two main ingredients, there is very little room for error if you follow the temperature cues.
The Short List of Essential Ingredients
To achieve that glossy cream frosting look seen in our photos, you only need two foundational ingredients. However, the quality of these items will dictate the final taste and stability of your Russian Buttercream.
The Fat Base: Unsalted Butter
You will need 1 lb (454g) of whipped unsalted butter. It is vital to use high-quality butter with a high fat content. The butter must be softened to approximately 65°F (18°C)—pliable but still cool to the touch. This ensures the Russian Buttercream stays stable and doesn’t melt during the whipping process.
The Sweetener: Condensed Milk
One 14 oz (397g) tin of thick sweetened condensed milk is the soul of this recipe. Ensure your thick, golden sweetened condensed milk is at room temperature. If it is too cold, it will cause the butter to seize; if it is too warm, the frosting will turn into a soup. This ingredient provides the sugar and the “cooked” milk flavor that makes this frosting so addictive.
Optional Flavor Enhancers
While the base is perfect, you can add 1 tsp (5ml) of pure vanilla extract or a pinch of fine sea salt to cut through the richness. If you want a coffee twist, you might even consider a splash of flavor similar to a Kahlua Buttercream Recipe.

How to Make Perfectly Smooth Russian Buttercream
The secret to the smooth ivory swirls is all in the timing and the temperature. Follow these steps to ensure a bubble-free finish every time.
Step 1: Whip the Butter to Ivory Perfection
Place your softened butter into a stand mixer fitted with the paddle or whisk attachment. Whip on medium-high speed for at least 5-7 minutes. You are looking for a visual transformation: the butter should turn from yellow to a light ivory color and become incredibly fluffy. Boldly whip until it looks like a cloud.
Step 2: Stream in the Condensed Milk
Reduce the mixer speed to medium-low. Slowly pour in the thick sweetened condensed milk in 4 to 5 separate additions. After each addition, scrape down the sides of the bowl to ensure every drop is incorporated. You will see the mixture transform into a glossy cream frosting before your eyes.
Step 3: The Final Emulsion
Once all the milk is added, increase the speed to high for 2 minutes. This is where the glossy peaks and deep, silky swirls form. If the mixture looks slightly curdled, don’t panic! Just keep whipping; the friction will warm the fats slightly and bring the emulsion together into a smooth, dense texture.
Step 4: Removing Air Bubbles
For that “handheld smartphone photo” look with no air bubbles visible, switch to a spatula. Hand-mix the buttercream against the side of the glass bowl for 1 minute. This pushes out the excess air, leaving you with the glossy Russian buttercream seen in the blueprint.
Expert Tips for Success
- Temperature is King: Both the butter and the milk must be around 65-70°F. If they differ significantly, the frosting will separate.
- Quality Matters: Use a brand of condensed milk that is thick and golden. Thinner, cheaper brands may result in a runny frosting.
- Fixing a Soupy Frosting: If your kitchen is too hot and the frosting is runny, pop the bowl in the fridge for 10 minutes, then re-whip.
- Fixing a Curdled Frosting: If it looks like cottage cheese, it’s too cold. Use a hairdryer on the outside of the bowl for 15 seconds while whipping to gently warm it up.
Storage, Reheating, and Freezing
Russian Buttercream behaves differently than powdered sugar frostings. Because of the high butter content, it will firm up significantly in the fridge, much like a stick of butter would.
To Store: Keep in an airtight container in the fridge for up to 7 days. When ready to use, you must let it come back to room temperature completely before re-whipping to restore the glossy cream texture.
To Freeze: This frosting freezes beautifully for up to 3 months. Thaw overnight in the refrigerator and follow the room-temperature re-whipping rule mentioned above.
What to Serve With This Silky Frosting
While this is a dessert staple, a balanced meal makes the treat even better. If you’re planning a party spread, consider starting with something savory like a Mediterranean Pasta Salad or even Chicken Street Tacos to balance the sweetness of the cake.
This buttercream is stable enough to hold up on a warm day, making it perfect for outdoor events where you might serve Grilled Shrimp Bowls or a fresh High Protein Chickpea Salad.
Frequently Asked Questions
Absolutely! It takes gel food coloring very well. Because the frosting is naturally a light ivory, you may need a drop of violet food coloring to neutralize the yellow tones for a stark white look.
No, margarine has too much water content and will not emulsify correctly with the condensed milk. Real unsalted butter is required for the proper glossy finish.
Yes, because it contains a high volume of butter and condensed milk, cakes frosted with Russian Buttercream should be stored in the fridge but served at room temperature for the best texture.
Yes, it is one of the most stable frostings for piping intricate decorations like Russian piping tip flowers, as long as it is kept at a cool room temperature.
Curdling usually happens when the butter and condensed milk are at different temperatures. To fix it, gently warm the bowl with a hairdryer for 15 seconds while whipping until the emulsion becomes smooth again.
The Ultimate Russian Buttercream Recipe

Russian Buttercream: The Easiest 2-Ingredient Glossy Frosting
Ingredients
Equipment
Method
- Whip the softened unsalted butter on medium-high speed for 5-7 minutes until it turns light ivory and becomes very fluffy.
- Slowly stream in the room-temperature sweetened condensed milk in small batches, mixing thoroughly after each addition.
- Whip on high for 2 minutes until glossy peaks and silky swirls form. Hand-stir with a spatula to remove air bubbles.
Notes
Use high-quality European-style butter for the best glossy finish.

Save This Recipe to Pinterest!
Are you ready to elevate your cake game with this Russian Buttercream? Make sure to save this recipe to your Dessert Board on Pinterest so you never lose it! If you make these smooth ivory swirls at home, please head over to our Pinterest page at Noudish_Recipes and share a photo of your creation in the comments. We love seeing your glossy peaks! Don’t forget to leave a 5-star rating below if this is your new favorite frosting.