The most common and most likely answer to this crossword clue is the 6 letter word PASTAS
I've seen this crossword clue in The Sunday Telegraph
P
A
S
T
A
S
Buddy explains!
The straight part
We know that "In various forms, they’re used in cooking history" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case in various forms, they’re used in cooking history = pastas.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 PASTAS mean?
PASTAS noun- Dough made from wheat and water and sometimes mixed with egg and formed into various shapes; often sold in dried form and typically boiled for eating.
- A dish or serving of pasta.
- A type of pasta.