1: He's on diet - ordering in addition to the main course (2,3,4)
3: Candy, Rod, Gump all confused (7)
4: Rascal and wuss taking week off (3)
5: St. Michael transforms metal transformer (9)
6: Seedy lawyer is short on rest, disturbed (7)
7: Designed dashing ten-ton pick-up (3-5,5)
8: Entice substitute to drink. (5)
10: 3-down said Sir, I have these! (5,4,4)
16: Crooner Mel: famous, loveless, suffering (9)
17: In the wee hours, come together sideways (9)
19: One asking for quiet guide (7)
20: Stand up funny as partner to a broom? (7)
22: Capital of the current sports car (5)