Simon

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Across
  1. 2. - Dutch courage needed, before the big day! (5)
  2. 4. - So called, takes things in his stride (6)
  3. 11. - Snugly worn, hidden in tightly cramped spaces (5)
  4. 12. - Up and down, scrambles a nuke ambition (8,4)
  5. 13. - Fast food place (8)
  6. 15. - A tired hike with your eyes closed (12)
  7. 16. - Sounds like you're moving quickly, indoors (5)
  8. 17. - Found caterer prepared for sporting event (4,2,6)
  9. 18. - Initially take Benedictine and add it to Sangria for great value (8)
  10. 21. - Spike sport, hit first time (10)
Down
  1. 1. - Learn something new, by reorganising a hectare (7)
  2. 3. - Only the best for the rich dwarfy baker (12,10)
  3. 5. - In no rush at the surgery (7)
  4. 6. - High tea first for all (4)
  5. 7. - You sound like you're fed up and it's only the start of the week on a shortened day (5)
  6. 8. - Quash urge for food (6,3)
  7. 9. - Patchy moss, hidden in within a coleslaw nicoise (4)
  8. 10. - Dropped pins, stopping 20 down (4)
  9. 14. - Get rich quick by finding a hidden orbit coincidentally (7)
  10. 19. - Animal in a dishevelled Toga (4)
  11. 20. - Mixed up perms is unlikely to produced anymore, hopefully! (5)