Meal excellent, with additional helping of one ingredient (6)

I believe the answer is:

supper

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

'meal' is the definition.
(supper is a kind of meal)

I don't understand the remainder of the clue.

(Other definitions for supper that I've seen before include "Last meal of the day" , "Evening repast" , "Light evening meal" , "Eats late" , "singing for this?" .)

I've seen this clue in The Independent.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.