The most common and most likely answer to this crossword clue is the 7 letter word TOASTER
I've seen this crossword clue in Independent
T
O
A
S
T
E
R
Buddy explains!

The straight part
We know that "Kitchenware" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case kitchenware = toaster .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 TOASTER mean?
TOASTER noun- One who toasts (cooks lightly by browning).
- One who toasts (engages in salute while drinking alcohol).
- A toasting fork.
- A rapier or similar weapon.
- An electrical device for toasting bread, English muffins, crumpets, etc.
- A self-contained software package (or appliance) distributable over the Internet or by burning onto CDs.
- An electronic organ, especially a crude one that uses analog technology.
- Any of several small, box-like automobiles exemplified by the Scion xB and Honda Element.
- A fish ready for toasting.
- A firearm, especially a pistol.