Cooking Steps

1. 

   Step1:Peel and mash banana

2. 

   Step2:Add in the egg and mix well

3. 

   Step3:Mix in the melted butter and sugar

4. 

   Step4:Add sifted powder and mix until smooth

5. 

   Step5:Pour batter into the mold

6. 

   Step6:Preheat the oven for 160 °. Heat up and down the middle layer for 40 minutes.