Skeleton

[smiley1]

13a Cook striking lead kiln. O--T could this be roast (without the r predictive words eh)
19d Dictum ending spoken message M-R-L is this moral
23a Following retreat two desert, ---I Gobi?
18a Beasts being devilish sadly ---A-A-
15a The last month I reject ---L---
14d A mission like many others initially --A-- is this Alamo
5d Giant tuna tinned uncut T-T-- is this Titan.

Many thanks and Happy New Year

[dannyk13]

(r)oast
Yes
Yes
Impalas
Decline
Yes
Yes

[Neveracrossword]

19 Yes, the M from the end of Dictum +Oral, spoken.

[ubasses]

13 yes
19 yes (dictu)m oral
23 yes
18 imp alas
5 Decline
14 ala mo
5 yes

[smiley1]

Thanks all, I assume 21a is Loki, Large fine irks foremost mischief maker 4 letters