| Clue | Source | Date |
|---|---|---|
| McDonald's breakfast offering * | The Telegraph Cross Atlantic | 12 May 2026 |
| Iconic breakfast sandwich | Universal | 07 Oct 2025 |
| Croissan'wich competition | ||
| Croissan'wich alternative | New York Times | 13 Jan 2018 |
| Croissan'wich alternative | ||
| Restaurant breakfast innovation of 1971 | New York Times | 20 May 2016 |