Step1:Mix ingredients other than butter. Yeast and salt away. Knead into a dough. Knead the butter into the dough.
Step2:Knead to the expansion stage. Cover with wet cloth or plastic wrap for 1 hour. To twice the size. Exhaust. Pull into small dough. Cover with damp cloth for another 45 minutes.
Step3:Preheat in a 150 degree oven. Bake for 1520 minutes.
Cooking tips:There are skills in making delicious dishes.