Recipe：
high-gluten flour 500g,
fast dry yeast 5g,
sugar 100g,
salt 5g ,
Baking Powder 10g,
bread improver 2.5g,
an egg,
butter 40g,
water 200g.
Making steps：
Step1:Sieve the Baking Powder, bread improver, yeast, salt and flour after mixing, standbyï¼›
Step2:After the sugar dissolves in the water, add in the sieved flour of step 1 and egg, mix them with mixer at a low-speed until forming dough .
Step3:Add the butter to the dough of step 2, and use dough mixer to stir rapidly until the dough is smooth.
Step4:Cut the cough of step 3 into several pieces,then rub with the hands to a round shape, and put them into the fermenting box for 2 hours at 30℃.
Step5:Put into the oven after step 4, use 200℃and surface fire 180℃ bottom fire, bake for 18 to 20 minutes until the bread turn golden brown.