“Ingredient in a Whopper” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.ONION is the answer to the New York Times crossword clue “Ingredient in a Whopper”. It was last seen in the puzzle of March 5, 2025, where it runs at 16 Across and fills 5 squares. It crosses 5 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.