Coffee Break Cryptic

17 December

Across

1 Extended feast? It's all over! (10)
7 Leader of farmers is certain to provide ground rent! (7)
8 Bound to vary diet (4)
10 Watches showing end of time? Certainly! (4)
11 Cooking oil means food (8)
13 Just move by earl (6)
15 Hat found in canal (6)
17 Ships taking care of flowers (8)
18 Drug discovered by a police department (4)
21 Family with first of loaves in oven (4)
22 Thrift is the answer for company in money trouble (7)
23 Needlewoman making a mess mending lock (10)

Down

1 Useless expenditure in central region, by the sound of it (5)
2 Duke with odd instrument (4)
3 Ed goes in four directions in the country (6)
4 Sensible share taken by Capone (8)
5 In the morning I race around a continent (7)
6 Composer frequently heard by another composer (9)
9 Youth's spell as a vegetarian? (5,4)
12 Metal lamp unit needing assembly (8)
14 Cotton on a reel is tangled (7)
16 Stop artist turning up with others (6)
19 Cobbler initially records footwear (5)
20 A little comb or electric drill (4)