Using a spatula frost your cupcakes covering all visible cupcake with white buttercream.

Using a pastry bag filled with black buttercream and fitted with a no.3 round piping tip, pipe two round black circles for the eyes. Fill the circles in using a back and forth motion. Using a decorating spatula smooth out the eyes.

Using the same black buttercream filled pastry bag fitted with a no.3 round piping tip, pipe the nose, mouth, and eyebrows to your desired liking.