### Clue: Basic epicurean concoction heaped atop moussaka's exquisite layers, primarily? (8)
### Answer: BÉCHAMEL 
 ### Explanation: Basic epicurean concoction heaped atop moussaka's exquisite layers, primarily? (8)
The 'primarily' clue for this week: the first letters of the first eight words of the clue, with an &lit definition.