This Homemade Butterscotch Buttercream can be used to frost a Butterbeer Cake for a Harry Potter Birthday Party. It can also be used for Butterbeer Macarons.
My daughter requested a Butterbeer Cake for her Harry Potter Birthday Party. Butterbeer is the fictional, butterscotch-flavored drink from Harry Potter. To truly fit the theme, we decided the cake needed a Butterscotch Buttercream.
Initially, I followed this recipe for the buttercream, which includes making a homemade butterscotch sauce that is then incorporated into the buttercream. The sauce ended up a little grainy, so the buttercream did as well, although the flavor was spot on. It may have been user error on my part.
I ended up remaking it using a Butterscotch Sauce recipe from David Lebovitz. Then, I used the same buttercream recipe with the new sauce.
The result was a smooth buttercream with a delicious butterscotch flavor. Not only did I used this buttercream to frost the Butterbeer Cake, I also used it in Sorting Hat Butterbeer Macarons and in Golden Snitch Macarons.
This frosting would be delicious on any cake or cupcakes!
Make the Butterscotch Sauce
All of the details for how to make the Easy Homemade Butterscotch Sauce are in a separate post.
The sauce can be made in about 10 minutes and then cooled to room temperature.
Make the Buttercream
Beat the butter and salt in the bowl of a stand mixer.
Add the cooled butterscotch sauce and beat until well combined.
If you add the butterscotch sauce warm, it will melt the butter.
Gradually add the powdered sugar and continue to beat in the mixer. Add the vanilla and cream and beat until smooth.
Lastly, to make a smooth buttercream, beat on medium-high speed for 4 full minutes.
Use the buttercream immediately or cover and chill until ready to use. You may need to bring it to nearly room temperature before using so it is easy to pipe or spread.
Uses
I used this buttercream to frost a Butterbeer Cake and as the filling for Sorting Hat Butterbeer Macarons and Golden Snitch Macarons. You can use it in any cake or cupcake recipe that calls for buttercream.
Gluten Free Option
This recipe is naturally gluten free.
📖 Recipe
Homemade Butterscotch Buttercream
Ingredients
- 8 tablespoons salted butter (at room temperature)
- ½ teaspoon salt
- 1 cup homemade butterscotch sauce (see note)
- 8½ ounces powdered sugar
- 1 teaspoon vanilla extract
- 1-2 tablespoons heavy cream
Instructions
- Beat the butter and salt in the bowl of a stand mixer until creamy.8 tablespoons salted butter, ½ teaspoon salt
- Add the butterscotch sauce and beat until well combined.1 cup homemade butterscotch sauce
- Gradually add powdered sugar. Add vanilla extract and cream.8½ ounces powdered sugar, 1 teaspoon vanilla extract, 1-2 tablespoons heavy cream
- Beat on medium-high speed for 4 minutes until buttercream is smooth.
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