The most common and most likely answer to this crossword clue is the 5 letter word DINAH
I've seen this crossword clue in Independent
D
I
N
A
H
More clues leading to the result DINAH
Buddy explains!
The straight part
We know that "Someone’s in the kitchen with me" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case someone’s in the kitchen with me = dinah.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.