for bread good for cake batters not so

I've been using the Bosch machine to stir bread doughs, and it works fine with the dough hook. Cake batters I do again with the hand mixer: Because the bowl inside is arched and the hooks run in the gutter, it is not possible, for example, first to mix butter and sugar, to later add then more so. The butter and sugar set simply to the floor and walls of the bowl from the hook and they are no longer achieved. I'm not completely satisfied ...