The most common and most likely answer to this crossword clue is the 10 letter word GASTRONOMY
I've seen this crossword clue in Financial Times
G
A
S
T
R
O
N
O
M
Y
More clues leading to the result GASTRONOMY
- Grand study of stars and good eating
- Cook should study this golf course
- Burps, one coming up through taste for fine dining
- Love of food waning finally, looking up to the heavens?
- Science attached to golf and food appreciation
- Good science that is evident in a form of cooking
- Group scrutinising stars eating fine food
- Beginning to grasp one branch of physics, and the science of food
- General science, it's often practiced in a Hungary state?
- Many got so confused about right art of fine dining
Buddy explains!

The straight part
We know that "Love of food" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case love of food = gastronomy.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 GASTRONOMY mean?
GASTRONOMY noun- The art of preparing and eating good food.
- The study of the relationship between food and culture.