Step1:Egg, milk, salt and mashed sweet potato. Butter softened at room temperatur
Step2:Softened butter mixed with flour is smooth. It is put into a flower mounting bag and squeezed into a baking tray filled with oil paper
Step3:Preheat the oven. Heat 170 and 120 in your oven. Bake for 30 minutes. Observe the color
Cooking tips:There are skills in making delicious dishes.