Happy Father's Day!

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Across
  1. 2. In truth, app yet to produce content (5)
  2. 5. Duck, missile! Tots chuckle evilly (11)
  3. 6. Loop back, needing cue (4)
  4. 9. Home county choristers were shaken up (14)
  5. 12. Old man's paunch? Not his! (7)
  6. 13. Starting in noted Hammermith, a boy injures tooth: stone crashes! (8)
  7. 14. Deess nuts (5)
  8. 17. Starting Saturday, onto a Peruvian city! Ben's? A scrambled, healthy breakfast (5,5)
  9. 18. I hear the man who'll fix it gets a spot of exercise (3)
  10. 19. Church brewer's car at a Swiss lodge (6)
  11. 21. U-turns stun followers (4)
  12. 22. Cat! Point away! (5)
  13. 23. Greta's torpedoed by frightening reptiles (6)
Down
  1. 1. Wears a speedo concealing a frightful, slithering thing (3)
  2. 3. Renders his mate disbelieving (7)
  3. 4. Breakfast is burnt toast with the crust cut off (4)
  4. 6. Plum writer Peter Gutteridge lumbered home, I heard (1,1,9)
  5. 7. Laplanders construct enders of ennui: plain wooden bricks! (5)
  6. 8. Begs bank to support band of brothers (3,3)
  7. 10. An OAP, terrified, loses if shaken (7)
  8. 11. Gamey side of pork (10)
  9. 12. Sickening sound from chimney (3)
  10. 15. Wife ignites oilcan (6)
  11. 16. Odd deary shows age (3)
  12. 20. Address each loss freely (3,5)