That's all it takes for basic butter cream , a touch of vanilla too if you like. I don' measure I just add sugar until , until it is the right consistency .
Peek-a-boo!
I strained this melted jam over a double boiler.
In my case covered by fondant.
Making a great cake takes many little steps that stretch over many hours , chilling can not be missed or rushed.
Powdered sugar prevents sticking.
This was very immediately gratifying.
You can also pipe frosting to hide edges.
Tomorrow : finishing touches , including piping and detail application.