be a piece of cake

be a piece of cake

To be a very easy task or accomplishment. I thought I was going to fail the test, but it turned out to be a piece of cake!
See also: cake, of, piece
Farlex Dictionary of Idioms.
See also:
  • a piece of cake
  • piece of cake
  • piece of cake, it's a
  • cake
  • cakes
  • be up for grabs
  • easy as A, B, C
  • entirety
  • frosting/icing on the cake, the
  • That takes the cake!
References in periodicals archive
But he warned: "It won't be a piece of cake. The Portuguese had to prove themselves by qualifying at the expense of some other decent sides."
Rugby Union: High Parks' corner; POOL C SCOTLAND v PORTUGAL ST ETIENNE 5PM
He's fooling himself if he thinks the military thing would be a piece of cake. It wouldn't.
General impressions
Compared to that, getting them all down from the cross would be a piece of cake: "If thou art the Christ, save thyself, and us, then." Don't just stand there.
FAMOUS LAST WORDS