Genesis garden (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">genesis garden</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 eden that I've seen before include "The - - Project, Cornwall" , "Unspoiled paradise" , "Foreign Secretary" , "The first garden" , "Delightful place" .)