Preheat oven to 350F
Combine dry ingredients
Add in yoghurt and mix until it forms a dough (it will be sticky)
Transfer into piping or ziploc bag and cut a round tip at the end
Pipe balls onto a baking sheet (use scissors to snip them)
Bake for about 17 mins or until golden brown
Immediately toss in melted butter then coat in cinnamon sugar
