| Clue | Source | Date |
|---|---|---|
| Frozen treat made with liquid nitrogen, or a hint to 14-, 29- and 44-Across | Universal | 15 Feb 2023 |
| *'Ice Cream of the Future' since 1988 | New York Times | 13 Feb 2023 |
| “Ice Cream of the Future” | New York Times | 12 Nov 2022 |
| 'Ice Cream of the Future' | New York Times | 12 Nov 2022 |
| Refreshing use for military freeze-drying technology |