Complete
00:00:00
7 14 19 1 9 12 21 2 15 3 11 20 10 4 18 16 5 8 13 6 17
  1. 1a Let's shake hands! (3,2,5)
  2. 7a Roundhead leader (8)
  3. 8a Food for carnivores (4)
  4. 9a Gripped (4)
  5. 10a Less expensive (7)
  6. 12a Grave offence (8,3)
  7. 14a Sumptuous meal (7)
  8. 16a Collapse (4)
  9. 19a Ignoble — HQ (4)
  10. 20a European country since 1993 (8)
  11. 21a US highway — it entreats (anag) (10)
  12. 1d Spiny-finned freshwater fish (5)
  13. 2d Drinking vessel — part of a lock (7)
  14. 3d In that case (4)
  15. 4d Welsh ferry port (8)
  16. 5d Syncopated dance music (5)
  17. 6d Large dark enclosed space (6)
  18. 11d One authorised to sell alcoholic drinks (8)
  19. 12d Item of neckwear (6)
  20. 13d Seedless raisin (7)
  21. 15d Chess piece (5)
  22. 17d Amount to be paid (5)
  23. 18d Common sense (informal) (4)