Crossword Genius

Food constituent that can make a saint roguish! (6)


I believe the answer is:


I'm a little stuck... Click here to teach me more about this clue!

'food constituent that can' is the definition.
Although both the answer and definition are singular nouns, I cannot see how one could define the other.

'a saint roguish' is the wordplay.
'a saint' becomes 'st' (abbreviation).
'roguish' becomes 'arch' (I've seen this before).

'make' acts as a link.

Can you help me to learn more?

(Other definitions for starch that I've seen before include "Formality - give stiffness" , "Stiffening preparation used in laundering" , "Carbohydrate that occurs in all green plants" , "Stuff that stiffens cloth" , "ceremony" .)

I've seen this clue in the Evening Standard.
Want a hint initially instead of a full solution? Install my app