Preheat oven to 400.
Place paper liners in muffin pan.
Whisk together the flour, baking powder, salt, and cinnamon. Set aside.
Beat together eggs and sugar until mixed.
Beat in milk, oil, and vanilla until well blended.
Add 1/2 cup of flour mixture to chocolate chips and stir to insure chips are coated in flour.
Beat remaining flour mixture into the to wet ingredients until just combined.
Fold chip mixture into batter until well distributed.
Fill each liner in muffin pan with batter and sprinkle top with sparkling sugar.
Pour batter into tins, pouring batter all the way to the top of each tin. Sprinkle with sugar and Bake at 400 for 5 minutes, then drop temperature to 375 and bake for 24 minutes or until a toothpick inserted in the centre comes out clean.