The most common and most likely answer to this crossword clue is the 8 letter word AMBROSIA
I've seen this crossword clue in The Guardian
A
M
B
R
O
S
I
A
More clues leading to the result AMBROSIA
- More than reasonable fare to Jupiter or Mars?
- Fine food article siblings in the end passed up
- Great food, as IOM bar prepared
- Heavenly food provided by male sibling in vast continent
- American relatives and I wanting a heavenly source of food
- Fare better than most
- Divine food in Asia: my best restaurant’s oriental starters
- In the morning siblings bring back fine food for Olympians
- Best food Mike’s sibling found in the continent
- Brother accordingly turns up in a motorway with a fine fuel
Buddy explains!

The straight part
We know that "Divine food" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case divine food = ambrosia.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does AMBROSIA mean?
AMBROSIA noun- The food of the gods, thought to confer immortality.
- The anointing-oil of the gods.
- Any food with an especially delicious flavour or fragrance.
- Anything delightfully sweet and pleasing.
- An annual herb historically used medicinally and in cooking, Dysphania botrys.
- A mixture of nectar and pollen prepared by worker bees and fed to larvae.
- Any fungus of a number of species that insects such as ambrosia beetles carry as symbionts, "farming" them on poor-quality food such as wood, where they grow, providing food for the insect.
- A dessert made of shredded coconuts and tropical fruits such as pineapples and oranges; some recipes also include ingredients such as marshmallow and cream.