In a medium mixing bowl, add in the heavy cream, Beat on medium/high until it forms soft peaks.
Add in the powdered sugar and beat until stiff peaks form.
Place in a piping bag with an 1M tip.
Milkshake
In a blender, add in the vanilla ice cream or the ice cream of your flavor, Star Wars Cereal, and milk. Blend on the milkshake setting until it's all creamy.
Pour into a glass.
Add a swirl of whipped cream and sprinkle on the marshmallows for garnish. Stick in a straw and serve!