Step 1: Add sugar to a bowl of warm water, then add the yeast to mix. Add ingredients: flour, vinegar, salt, cooking oil into another bowl.
Step 2: Fine silt the flour into another one. Using a mixer, mix the yeast and flour evenly. Heat fresh milk into a flour bowl, stir well. If the dry powder can add milk. Milk to mix.
Step 3: Knead the dough for a very fine dough into a soft, non - kneaded dough mixture, the cake will be unevenly bloated, less porous and soft. Put the dough in a bowl and wrap the food wrap, let it rest for 1 hours.
Step 4: Divide the dough and shape. Shape cakes as you like, in the shape of elongated or round are fine. Dough should be divided into equal parts to cook evenly.
Step 5: Put the cake into the oven with a temperature of 180 degress C, bake 20 minutes. The cake changes from white to golden brown, then it is released and eaten white it's still hot.