The most common and most likely answer to this crossword clue is the 7 letter word ROMAINE
I've seen this crossword clue in Financial Times
R
O
M
A
I
N
E
More clues leading to the result ROMAINE
- Chief's tucked into eggs and lettuce
- A home in the capital offers a sort of lettuce
- Deer eat head of lettuce in the US
- Lettuce and eggs chief’s brought in
- Cardinal carried by ruminant leaves
- Lettuce and fish eggs — most important for inclusion
- Great tucking into eggs and lettuce in America
- Mother at home tucking into eggs and lettuce
- When I am ordering sandwiches rejecting salad
- Cardinal getting into caviar and lettuce
Buddy explains!
The straight part
We know that "lettuce in the US" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case lettuce in the us = romaine.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 ROMAINE mean?
ROMAINE noun- Lactuca sativa var. longifolia, a type of lettuce having long crisp leaves forming a slender head.