Rolo Condensed Milk Buttercream aka Rolo Russian Buttercream , is a perfect blend of rich caramel and chocolate. This recipe transforms the classic Russian buttercream by incorporating Rolos, creating a smooth, creamy frosting that's simply irresistible. It not only tastes great but it pipes like a dream!
To date, I have created over 60 flavour profiles with this type of Russian Buttercream. Two of the popular flavours are the Chocolate Cookies and Cream and the Sangria versions.
If you want to understand the technique behind this frosting, take a look at my Condensed Milk Buttercream Guide, where I explain the method and share many flavor ideas.

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Why You'll Love Rolo Condensed Milk Buttercream
You're gonna find this Rolo Russian Buttercream recipe super easy and fun to make. It's straightforward, which means you can whip it up quickly without any fuss. This is perfect for when you want to add a special touch to your baking without too much extra effort.
The blend of Rolos in the condensed milk buttercream brings a unique twist that's really delicious. You get that awesome combo of caramel and chocolate, making it different from your everyday buttercream. It's a cool way to jazz up a classic, and you'll love the new flavors it brings to your desserts.
The texture of this buttercream is just right - smooth, creamy, and perfect for getting creative with your cake and cupcake decorations. Whether you're into fancy piping or just spreading it on, you'll find it works like a charm.
This buttercream was perfect for my Rolo Chocolate Drip Cake. It complemented the chocolate cake and vanilla pudding filling beautifully.
Ingredients in Rolo Condensed Milk Buttercream
- Unsalted Butter: The backbone of any good buttercream, unsalted butter is chosen for its pure, creamy flavor. It's important that the butter is softened but still cool to the touch. This texture is essential for it to whip up nicely, creating a light and airy base for your frosting. The quantity used here is significant, making the buttercream rich and ensuring it holds up well for piping and spreading.
- Sweetened Condensed Milk: Sweetened condensed milk is a thick, sweet product that comes from cow's milk from which water has been removed and to which sugar has been added. It brings a distinct sweetness and a smooth, velvety texture to the condensed milk buttercream, contrasting beautifully with the butter's richness. Its thick consistency also contributes to the overall stability of the frosting.
- Rolos Candy: Rolos are small, disk-shaped candies composed of a soft, chewy caramel center encased in milk chocolate. When melted, they infuse the buttercream with a delightful blend of caramel and chocolate flavors, creating a unique and indulgent taste profile. This amount of Rolos ensures that their flavor is prominent in the buttercream without being overwhelming.
- Heavy Cream: Heavy cream, with its high-fat content, is ideal for melting the Rolos. It ensures that the candy melts evenly and mixes smoothly into the buttercream. The cream also enhances the luxurious texture of the frosting, making it rich and perfect for spreading or piping on cakes and cupcakes.

How To Make Rolo Russian Buttercream
Prepare the Rolo Mixture: Start by chopping the Rolo candies into smaller pieces. This helps them melt more uniformly.

Place the chopped Rolos in a saucepan and add the heavy cream. The cream aids in melting the Rolos evenly and creates a smooth mixture. Heat the mixture over low to medium heat, stirring constantly. This is important to prevent the mixture from burning and to ensure that the Rolos and cream blend together seamlessly.

Once fully melted and combined, remove the saucepan from the heat. Transfer the mixture to a bowl and let it cool down to lukewarm. Cooling it to the right temperature is crucial as adding it too hot to the butter might melt the butter and ruin the consistency of your buttercream.

Whip the Butter: In a separate medium-sized bowl, take the softened unsalted butter. The butter should be soft enough to beat easily but still cool. Using an electric mixer, whip the butter until it becomes light and fluffy. This usually takes about 2-5 minutes.

Combine Butter and Condensed Milk: Once the butter is fluffy, add the entire can of sweetened condensed milk to it. Continue to beat this mixture for about 2 minutes. This step is important to ensure that the condensed milk is fully incorporated into the butter, creating a uniform and smooth mixture.

Add the Rolo Mixture: Now, take the lukewarm Rolo mixture and add it to the butter-condensed milk mixture. Mix them together for 1-2 minutes until everything is fully combined. This will result in a creamy, homogenous buttercream with a beautiful caramel-chocolate flavor.

Ready to Use: Your Rolo Condensed Milk Buttercream is now ready to be used. It's ideal for piping with a 1M piping tip, giving a professional look to your cakes and cupcakes.

Storing: Remember to store any leftover buttercream in the refrigerator for up to one week or in the freezer for up to two months. To reuse frozen buttercream, let it reach room temperature and then re-whip it until smooth.
My Top Tip
The most important tip for making this Rolo Condensed Milk Buttercream is to ensure the proper temperature and consistency of both the butter and the Rolo mixture. Here's why:
Butter Temperature:
The butter should be softened but still cool to the touch. If the butter is too soft or melted, it won't whip up properly, resulting in a buttercream that's too dense and heavy. On the other hand, if the butter is too hard, it won't incorporate air well, leading to a buttercream that lacks the desired lightness and fluffiness. Achieving the right texture in the butter is crucial for a smooth, airy buttercream.
Rolo Mixture Temperature:
The Rolo and cream mixture should be cooled to lukewarm before being added to the whipped butter and condensed milk. Adding the mixture while it's too hot can cause the butter to melt, ruining the structure of the buttercream and preventing it from setting properly. Cooling it to the right temperature ensures that it blends easily with the other ingredients without affecting their consistency.
Paying attention to these temperature and texture details will help you create a perfect Rolo Condensed Milk Buttercream with the ideal consistency for spreading and piping on your desserts.

Substitutions
I often get asked if it's ok to use margarine instead of butter in this condensed milk buttercream recipe. Substituting margarine for butter in buttercream recipes, such as the Rolo Russian Buttercream, is generally not recommended, mainly because of the significant difference in texture and firmness between butter and margarine. Here's a closer look at why this substitution can lead to issues:
Texture Matters:
Butter has a knack for getting firm and stable when whipped, which is exactly what you need for a buttercream that holds its shape well. Margarine, with its different fat and water composition, tends to stay softer and doesn't offer the same stiffness, making it tricky for those precise piping details.
Piping Issues:
If you're looking to create those intricate, sharp designs on your cakes, butter is your go-to. It helps achieve those clean lines and holds up well. Margarine, being softer, might not keep up with detailed work, leading to less defined decorations.
Melting Point:
Margarine tends to melt more easily than butter. In a warm room, your buttercream made with margarine might start losing its form quicker than you'd like.
Flavour Factor:
There's also the taste to consider. Butter brings a rich and distinct flavor to buttercream that margarine doesn't always match.
In short, while margarine can be a substitute in some baking scenarios, for buttercream meant for detailed piping, sticking with butter is the way to go. It ensures the right consistency, stability, and flavor for your decorative efforts.
More Buttercream Recipes
- Chocolate Cream Cheese Frosting
- Cream Cheese Frosting
- Mars Bar Buttercream (No Icing Sugar Needed)
- Pineapple Buttercream (No Powdered Sugar Added)
Common Questions For Condensed Milk Buttercream
Yes, you can use salted butter, but it will affect the overall flavor by making it slightly saltier. Unsalted butter is recommended for better control over the sweetness level.
Store it in an airtight container in the refrigerator for up to one week or in the freezer for up to two months. Before reusing, bring it to room temperature and re-whip it to restore its texture.
Absolutely! Feel free to experiment with different candies, but keep in mind that it will change the flavor profile.
If it's too soft, chill it in the refrigerator for a short while to firm up. This usually happens if the ingredients are too warm or if the Rolo mixture was added while still too hot.
Yes, you can make it in advance. Just store it as mentioned above and re-whip it before using to ensure it has the right consistency.
Definitely. This buttercream is great for covering cakes as well as piping decorations. It spreads smoothly and holds up well. However, like and buttercream it will definitely soften in hot/warm weather of when sitting out of the refrigerator for extended period of time.
Yes, this buttercream can be used under fondant. Ensure it's chilled and firm before applying the fondant for best results. It will however soften in warm weather.
No, this Rolo Russian Buttercream is not a crusting buttercream.
It has smooth texture that remains soft and does not form a crust. Also, the lack of absence of confectioner's sugar means it will not crust but instead stay smooth.

Rolo Russian Buttercream
INGREDIENTS
- 200 g (7 oz) rolo candy
- 2 tablespoon (2 tablespoon) heavy cream
- 500 g (2 ⅕ cups) butter unsalted
- 395 g (14 oz) sweetened condensed milk
INSTRUCTIONS
- Chop the Rolo candy into small pieces.
- Place the chopped Rolos and heavy cream in a saucepan.
- Stir constantly over low-medium heat until the candy is fully melted and combined with the cream.
- Remove from heat and transfer the mixture to a bowl. Allow it to cool to lukewarm.
- Place the softened butter in a medium bowl.
- Beat the butter with an electric mixer until it is light and fluffy, which should take about 2-5 minutes. The longer you beat, the lighter and fluffier it will become.
- Add all of the condensed milk to the whipped butter in one go.
- Beat the mixture for another 2 minutes to fully incorporate the milk into the butter.
- Once the Rolo mixture is lukewarm, add it to the butter and condensed milk mixture.
- Mix for an additional 1-2 minutes until fully combined.
- The buttercream is now ready to be piped onto cupcakes or cakes. It works wonderfully with a 1M piping tip.















Gloría Amparo García says
Muchas gracias por sus sabios concejos en tus deliciosas recetas.
¡Gracias por compartirme tus conocimientos, un gran abrazo y los aprecio mucho!
Fay says
¡De nada! Muchas gracias por tus amables palabras.
Holly Lehmann says
Absolutely fantastic is an understatement. This caramel buttercream is silky, rich, and perfectly balanced—not too sweet with the most incredible caramel flavor. It rolled beautifully and elevated my dessert to bakery-level. This recipe is a total keeper!”
Fay says
How fabulous!
Peg Mikes says
I haven’t even tried it yet, but the name made me stop just because it has Rolos in the name! It has to be good in the meeting the description and the fact that it’s easy to pipe make it even better. I can’t wait to try it. It’s on my list to go and buy the necessary ingredients and friends and family will be tasting it after I do, of course tomorrow.
Fay says
How fabulous! I hope you love it as much as I do! If it curdles please don't panic. Just mix mix mix and it will come together as a beautifully smooth silky consistency.