The most common and most likely answer to this crossword clue is the 3 plus 4 letter word TEA SHOP
T
E
A
S
H
O
P
More clues leading to the result TEA SHOP
- Poet has written about a genteel restaurant?
- Restaurant where Spooner’s woman to come first
- European has cooked in leading restaurant
- Endlessly torment climber in cafe
- Mostly support a sort of posh cafe
- Desperate, as hopelessly exposes restaurant
- Cafe serving hot peas
- Outlet serving hot pears stewed with no end of sugar?
- Tap shoe dancing in restaurant
- Lunchroom changed the soap
Buddy explains!

The straight part
We know that "a genteel restaurant" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a genteel restaurant = tea shop.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.