easy as A, B, C
*easy as A, B, Cand *easy as falling off a log; *easy as rolling off a log; *easy as (apple) pie; *easy as duck soup
very easy. (*Also: as ~.) If you use a cake mix, baking a cake is easy as A, B, C. Mountain climbing is as easy as pie. Finding your way to the shopping center is easy as duck soup. Getting out of jail was easy as rolling off a log.
See also: easy