In a small bowl, add yeast and room temperature water and let the yeast bloom.
In a medium-sized bowl, add sugar, salt, and flour to the bowl. Add in hot water slowly while stirring with a spatula, then mix in room temperature mixture and stir.
Switch to your hands and start kneading in the flour on the side of the bowl for roughly 5-10 minutes.
Put the dough in a bowl and cover with a towel or a saran wrap rest/proof for 1.5 days at room temp.
when the dough is well rested, cut the scallions and make the roux : mix oil and flour in a pan. Continue to mix over medium-low heat until aromatic and slightly browned. Let it cool a little after.
Form the dough into a cylinder or log-like shape by punching a hole in the middle and using your hands to form the shape and divide into eight portions.
lightly flour your work surface.
Roll out one piece of dough as thin as possible without breakage into a rectangle, cover the rest, and brush on the roux. Sprinkle on salt to taste, five spice powder and scallion.
Roll dough tightly into a log like shape again, then take one end of the dough and roll again into cinnamon-like shape and tuck-in the end on the bottom, flatten and coat a thin layer of oil.
10. Let rest for 20 minutes; in the meantime, repeat for the remaining dough.
Roll out dough to as thin as possible and pan fry on medium to low heat until golden brown!
This recipe makes a scallion pancake that is flaky like traditional scallion pancakes with a slight fermented dough flavour to the ordinary scallion pancake. Yet, it is not as bread-like compared to traditional fermented scallion pancakes. Best of both worlds!