Melted white dark or milk chocolate, Tempering Chocolate**
Nutella place a bowl over boiling water and heat until reaches a thinner constituencyplace a bowl over boiling water and heat until reaches a thinner constituency
Pre-heat oven to 350° (180° celsius), grease and flour a 6 size donut pan.
In a small pot melt butter and let cool.
In a medium/large bowl whisk together flour,baking powder, baking soda, salt, and sugar.
In a medium bowl whisk together until combined, cooled melted butter, egg, vanilla, greek yogurt and milk.
Add wet ingredients to dry ingredients and mix just until smooth.
Pour batter into a pastry bag and fill the donut pan 3/4 full. Bake approximately 10 minutes. Let cool completely before dipping. (I use a frosting knife to help spread the chocolate or Nutella evenly over the donut), Top with sprinkles if desired. Enjoy