棉花牛油蛋糕

A.Butter 250 g （i use SCS butter）
sugar 80g

B.
egg yolk 4 evaporated creamer 1tbsp
vanilla essence1/4tsp 

self raising flour 200g

C
egg white4
sugar 80g 
cream of tartar 1/4tsp
 

~ (A) to fight until fluffy + egg yolk  + evaporated milk + vanilla essence + self raising flour stirring evenly

~Beat egg whites with cream of tartar until foamy and then add in sugar and beat till stiff.

~Fold in half of the egg whites into the mixture and mix well. Then add in the other half and mix them evenly.
 
~steam bake 170c 50minutes