Doddle (6)
(Other definitions for picnic that I've seen before include "Outdoor snack" , "something easy to do" , "food for consumption outside" , "Informal meal taken in the open air" , "Outdoor meal (that's easy?)" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">doddle</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for breeze that I've seen before include "Something very easy to do (colloq.)" , "Simple task" , "Air current" , "breath of fresh air" , "Soft air" .)
(Other definitions for piece of cake that I've seen before include "It's easy (to eat)" , "Part of Madeira perhaps" , "one can sail through?" , "Easy task" , "slice?" .)