### Clue: A god involved in heinous act as entering bar, not a ripple to be seen (4,2,1,7)
### Answer: FLAT AS A PANCAKE 
 ### Explanation: Definition: not a ripple to be seen
 { [A + PAN(the Greek mythological god) ] **contained in**(involved in) **anagram of**(heinous) ACT AS } **contained in**(entering) FLAKE(a flakey chocolate bar from Cadbury).