Adjective

1. Very easy.
   • 1910, Zane Grey, The Young Forester,

     "Easy as pie," replied he, eagerly. [..] What Dick called easy as pie was the hardest work I ever did. I lay flat on my back, bound hand and foot, and it was necessary to jerk my body along the log till my hands should be under the knife.

   • 2004, Girls Aloud, Love Machine,

     Come make my dreams, honey hard as it seems, loving me is as easy as pie.

Synonyms

• bagatelle
• breeze
• cakewalk
• cinch
• doddle

• duck soup
• like shooting fish in a barrel
• like taking candy from a baby
• piece of cake
• walk in the park
• walkover