Easy peasy squeezy lemons - A slightly fancier version of saying something was as easy a

A slightly fancier version of saying something was as easy as stealing candy from a baby who’s already half-asleep.

"I finished that assignment in ten minutes. Easy peasy squeezy lemons."

"I got the job without even interviewing. Easy peasy squeezy lemons."

"I beat him at chess without even trying. Easy peasy squeezy lemons."