Quick crossword No 155

Across

1. Silver back on extraordinary blue whale (6)
2. Ass won bet without any work (6)
3. Noblemen head off, plucking instruments (4)
4. One of 8? (Pluto etc. abandoned) (8)
5. Notice worker eating cake in large amounts (8)
6. Area - secluded and grey (4)
7. Groom (male, 20) entertaining millions (4)
8. Go through exercise room to put away equipment initially (8)
9. One involved in plating cooked tongue (3,5)
10. Small pale bird (4)
11. Suffer defeat in courtroom? (6)
12. Escaped from fool beginning to retreat (6)

Down

1. Go "Kaboom!" mainly in kid's game (8)
2. The basic facts: Fresh buns don't last (4,3,5)
3. Father embracing a god in temple (6)
4. Small bird? Cat finally caught it (6)
5. Present from Mother Earth (4)
6. Saucy letters found in a dodgy hotel pub and spa (8,4)
7. Some Europeans retiring? In Scotland, no! (3)
8. American breakfast: shake, bananas, sandwiches - over the counter (8)
9. Vegetable dish served with salt cod regularly (6)
10. Translate "one who tears apart"? (6)
11. Key passage read aloud (4)