easy as pie
easy as falling off a log
simple as kiss your hand
pimpsy
piss-easy
supereasy
easyish
easy as ABC
easy as 123
eathy
nimps
mick
downhill
cake walk
easy peasy
there's nothing to it
ultrasimple
like taking candy from a baby
jack-easy
supersimple
simplistic
cinchy
easify
easy
plain as Dunstable highway
nothing to it
eath
bludge
onefold
cinch
forthright
lor
easefully
haplo-
standing on one's head
sell
open-and-shut
plainful
smooth
easy peasy lemon squeezy
uncomplicated
facile
gluggy
plain sailing
garbage
stern
stark
austere
severe
overeasy