Perfect order for dessert (5,3)
I believe the answer is:
apple pie
This clue might be a double definition.
'perfect order' is the first definition.
'apple pie' can be an answer for 'order' (I have seen 'such order' mean 'apple pie' so perhaps 'order' could also mean 'apple pie'). I am unsure of the 'perfect' bit.
'dessert' is the second definition.
(I know that Apple pie is a type of dessert)
'for' acts as a link.
Can you help me to learn more?
(Other definitions for apple pie that I've seen before include "in a virtuous form?" , "Perfect order - bed jokily made" , "an order that's perfect" , "Fruit dessert (with order suggesting perfection?)" , "Sweet (in good order?)" .)