Can i use white space as quote in the Variable Transformations options

Given
The transformation syntax:

`myFavorites.food | list?quote='`

which returns

"'spaghetti', 'pizza'"

How can is change the transformation syntax to get the receive the
Expected output

"spaghetti, pizza"

// I tried playing around with “\s” ,which returns an error, and \s does not work as well…

You can use a literal space as a quote. This does not work on the end of the operation though. However if You use the separator second, it works fine
syntax

`myFavorites.food | list?quote= &separator=,

outcome

"spaghetti, pizza"