| Clue | Source | Date |
|---|---|---|
| Soup base made from soybeans | USA Today | 05 Feb 2026 |
| Staple ingredient in Japanese cuisine | New York Times | 28 Feb 2025 |
| Fermented mixture in Japanese cooking | New York Times | 22 Jun 2024 |
| Soup base made from fermented soybeans | LA Times Daily | 27 Nov 2023 |
| Marinade staple | Newsday | 05 Mar 2022 |