In a large bowl, mix together flour, salt, baking powder, baking soda and sugar; set aside. Also at this time you can combine your churro topping and set it aside. Preheat waffle iron
In a separate bowl, beat the eggs. Stir in the buttermilk, butter and vanilla. Pour the buttermilk mixture into the flour mixture; Next fold in three shakes of cinnamon beat until blended
At this time you can also melt your ½ cup of butter used to pour over waffles. Next generously spray your waffle iron with no stick cooking spray. Than ladle the batter into a preheated waffle iron. Cook the waffles until golden and crisp. Once fully cooked immediately pour melted butter on each side of the waffle and than dip each buttered side into your cinnamon/sugar churro mixture.