Dulce De Leche Churro Empanadas

x 395g |14oz can sweetened condensed milk ((or ready made Dulce De Leche/Nestle Caramel Top n Fill))

sheets puff pastry or shortcrust pastry

egg white (, whisked)

butter (, melted)

granulated sugar mixed with 1 teaspoons ground cinnamon (or 3 tablespoons cinnamon sugar

| 3.5oz dark chocolate (, roughly chopped/broken into pieces (I use Lindt 70%))

reduced fat milk

ancho chili powder ((optional))

pure vanilla extract

ground cinnamon

Nutella ((optional))