Place sugar, water, and orange zest in a pot on medium-low heat and cook until sugar is dissolved, let if boiled for 5 minutes.
Add butter, vanilla extract and the powder mix constanly on low heat for 15 minutes or until the mixture has a very thick texture.
Grease a large piece of waxed paper and place the mixture, let cool for 30 minutes, grease your hands with butter and form the balls. Place them in paper cups and ready to enjoy. Let cool completely before eating.