Mix milk and yeast, let foam
Add eggs, sugar, and vanilla
Gradually add flour and salt
Knead and incorporate butter
Let dough rise until doubled
Melt chocolate and butter
Mix sugar, cocoa, and cinnamon
Roll dough into rectangles
Roll dough into rectangles
Slice lengthwise and twist
Place in loaf pan and let rise
Bake at 350°F for 45-50 minutes
Brush hot loaves with syrup
Let cool before slicing