“Food that becomes its own container if you change the last letter” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.JAM is the answer to the New York Times crossword clue “Food that becomes its own container if you change the last letter”. It was last seen in the puzzle of January 19, 2025, where it runs at 54 Across and fills 3 squares. It crosses 3 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.