Preheat the oven to 425°F. Line 6 sections of a jumbo muffin tin with jumbo muffin liners or spray with baking spray, set aside.

In a medium bowl stir together the flour, baking powder, and salt, set aside.

In a large bowl whisk together the melted butter, granulated sugar, and brown sugar until combined. Whisk in the eggs and vanilla until smooth.

Add half of the flour mixture, whisk it in until smooth. Add half of the buttermilk, whisk until smooth. Repeat with the remaining flour mixture and buttermilk.

Fold in the chocolate chips and divide the batter among the prepared muffin tin sections. Add more chocolate chips on top for a pretty presentation. Sprinkle the decorator’s sugar on top of each muffin.

Place in the oven for 5 minutes. Reduce the heat to 350°F and continue to bake for 25-30 minutes until a toothpick inserted into the center comes out clean. The muffins will have a nice domed top and be golden brown.

Let cool in the pan for 10 minutes, then take them out and cool completely on a wire rack.