香蕉饅頭～香蕉芭樂饅頭 做法 手工饅頭 banana steamed bread(banana & guava ) ???1.??3?3 bananas2.????100?guava 100g3.????500?Medium gluten flour 500 grams4.??20?Brown sugar 20 grams5.???5?quick-rise yeast 5g6.?1?egg 17.? 100ccwater 10...