-
Using the standing mixer, cream together until fluffy and combined the butter, brown sugar, butterscotch, butter, and vanilla extract.
-
Gradually add in the powdered sugar, making sure to scrape from the sides of the bowl.
-
Add the heavy cream and continue to mix until combined, smooth and thick, making sure to scrape down the sides of the bowl.
-
Once the Butterbeer frosting is made, scoop it into the piping bag.
-
Frost cooled cupcakes.
-
Drizzle sauce of your choice and toss on some caramel popcorn.
-
Enjoy while watching your favorite Harry Potter film!