11.   In a mixer with a paddle attachment, cream the butter with sugar.

12.   In an electric mixer, cream butter and sugar until light and fluffy.

13.   In bowl of electric mixer, cream butter at medium-high speed.

14.   In a small mixer bowl, cream the butter.

15.   In a stand mixer or by hand, thoroughly cream the butter.

16.   In a bowl, cream butter with sugars until light and fluffy.

17.   In bowl of electric mixer, cream butter until light.

18.   In bowl, cream butter well.

19.   In a large mixer bowl, cream butter.

20.   In a small bowl, cream butter.