Why did my coffee buttercream curdle?

If the butter is too cold, it can cause the buttercream to curdle. To fix this, use a hair dryer to blow warm air on the outer side of the bowl while mixing the buttercream until it becomes a smooth consistency.

Do you need to refrigerate the coffee frosting?

Coffee buttercream can stay at room temperature for up to 2 days (as long as it’s not too warm that it melts the frosting). Anything longer than that, you should store it in the fridge.

How do I thin out buttercream?

Still too thick? Add more heavy cream or milk, start with 1 tablespoon at a time, to the buttercream until you have your desired consistency.

How do I thicken buttercream?

If your frosting is too thin, mix in additional sifted powdered sugar until desired consistency. Just note that the more you mix in, the sweeter the mixture will become.

Can I use brewed coffee instead of instant coffee?

You could substitute brewed coffee for the heavy cream and instant coffee mixture, however, it will have a more subtle flavor.

Easy Coffee Buttercream Frosting

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Author: Maria Pagiotas
Total Time: 8 minutes
Yield: 2.5 cups 1x

Description

Fluffy Coffee Buttercream Frosting is made with 6 simple ingredients in less than 10 minutes. This creamy homemade frosting is delicious on your favorite cakes, cupcakes, brownies, and more. It tastes just like a cup of full-bodied coffee in a buttercream form.

Ingredients

Scale

2-4 tablespoons heavy cream or milk, divided
2 teaspoons instant coffee
2 teaspoons pure vanilla extract
226 g (1 cup) unsalted butter, at room temperature
450 g (1 pound) powdered sugar
Pinch of salt

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Instructions

In a small bowl, whisk together 2 tablespoons of cream and the instant coffee until dissolved. Whisk in the vanilla and set aside.
In a large bowl, using a handheld or stand mixer fitted with the paddle attachment beat the butter until smooth and creamy, 2-3 minutes.
Add the powdered sugar and salt and mix on low speed until completely incorporated.
Mix in the coffee mixture and add any additional cream for desired consistency. Increase to medium speed and beat for 4-5 minutes until light and fluffy.
Using an offset spatula or knife, frost the cooled cake.

Prep Time: 8 minutes
Category: Frosting & Fillings