(idiomatic) Something that is easy or simple, or that does not present a great challenge.
Example: A contest in which cake was offered for the best dancers.
1899, Willa Cather, The Westbound Train :
Just as common as she is, a cakewalk sort of a name.
1995, Richard Powers, Galatea 2.2, ISBN 0374199485:
Nah. The first stepâ€™s a cakewalk. We can beat the hell out of a developing infant, in any case.