Heavenly bread (5)
I believe the answer is:
manna
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">heavenly bread</span>' is the definition.<br/ ><span class="explanation-format__explanation">(as in manna from heaven)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for manna that I've seen before include "Heavenly food" , "Miraculous stuff dropped" , "Heavenly grub?" , "Food from heaven for Israelites with Moses in the desert" , "Godsend" .)