Step 1

Blend the dragonfruit in a blender or food processor until smooth.  Set aside.

Step 2

Beat the butter in a stand mixer with the whisk attachment for 3 minutes until light and fluffy.  Add the powdered sugar, dragon fruit puree, vanilla, and pinch of salt and mix together on low speed to combine.  Continue to add the remaining powdered sugar to get a nice, smooth buttercream.

Step 3

Transfer the frosting to a piping bag and use to decorate cupcakes.  Garnish with extra bits of sliced dragon fruit.