1: Organized fatso follows start of precise measurement including pound of seasoning (11)
7: Choose to take the top off (3)
9: Managed in lower Antwerp (3)
10: Bart's also cast as Big Bird (9)
11: Crew member is one in operating room (3)
12: Mom going topless--that's something else (5)
13: City that cowboys used to avoid (5)
14: Very bad, but permissible, to dismiss counsel, ultimately (5)
15: Giant fish, note, approaches Italian city (not capital) (9)
18: Catches misusing teen slang (9)
19: . . . before the last apprentice is put in the ground (5)
20: Siphon windy painter? (5)
22: Satanic personification in 'Anthem A-Gogo' (5)
24: You audibly ram partner (3)
25: Jump all over Kegler, say (9)
27: Nothing we have to pay (3)
29: Fashion term heartless: Feeling up Blossom (6-2-3)