Yesterday's solution

Across 1. Recipe 4. Target 9. Sir 10. Italicise 11. Relic 12. Truffle 14. Monopoly money 17. Chimera 18. Nadir 20. Bookshelf 22. Via 23. Enigma 24. Slalom Down 1. Rostrum 2. Coral 3. Principle 5. Ami 6. Griffon 7. Theme 8. Castellated 13. Unmindful 15. Nairobi 16. Yard-arm 17. Cable 19. Devil 21. Sum