recentf-menu-append-commands-p

recentf-menu-append-commands-p is a variable defined in `recentf.el'.
Its value is

t

• This variable is an alias for `recentf-menu-append-commands-flag'.
• This variable is obsolete since 22.1;
  use `recentf-menu-append-commands-flag' instead.

Documentation:
Non-nil means to append command items to the menu.

You can customize this variable.