Cooking Steps

1. 

   Step1:Butter and suga

2. 

   Step2:Add the whole egg and beat wel

3. 

   Step3:Add flour, baking soda and hazelnut powder and mix wel

4. 

   Step4:Add chocolat

5. 

   Step5:Spread the batter on the pan with oil, bake at 175 ℃ for 15 minute

6. 

   Step6:It's done. Wait until it's cold. It's a bit crowded....