1 Request for first-class fare on Boxing Day and ....? (5,2,5,3,5,2,4)
15 ... is left alone, confused, to dine until sated (3,4,4)
16 Plump as a robin? (5)
17 Increase keenness once more? (9)
18 A simple brew (6,3)
19 Savoury dish for riders in the sky? (6,2,9)
20 Compete with RAF units - that's routine for for the real estate broker (8)
21 Preacher in Geneva troubled by cant (10)
22 American cigarettes less likely to wreak misfortune upon the smoker? (7)
25 The kids' mother, or grandmother (5)
26 Decoration for a period including Royal Navy personnel (9)
27 Another phantom badly torn in British town (11)
29 Stop writing now that British newspaper costs more (5,2)
31 Tin god first going up Alabama waterway (4,5)
32 Not sounded by the top brass? (5,4)
34 English corps leader in incident on Eastern front, fading away (11)
37 Oh! Could a careful cook find him in Maxim's? (2,13)
39 After one enters the market one makes a remark about a people like us (8,7)
40 How a carpet manufacturer is amassing a fortune? (6,1,4)
41 Spirit permitted in a father to the nation? (9)
42 A dog hunts? This sort does (9)
43 One gets a move on when one's got X's! (7)
45 Reel needs changing? Bill can do without this, going faster (11)
48 Peg secures this unusual tea cloth (9)
50 Plants that provide vitality (5)
52 Surface tension over worker being not entirely wealthy - that's to do with impure Hinduism (7)
54 Hair about to finish in pursuit of style (10)
55 Not legally a twisted rail (8)
57 Inspector of property possibly finding recovery's hard? True (9,8)
59 New Englander in the country (9)
60 Figure it could be one-third with right construction (9)
61 Exotic garment? Take a breather with one on (5)
62 Ah, not a smile from her, being framed (3,4,4)
63 No nocturnal activity, opportunistically, on the farm (6,3,5,3,3,6)

1 Composer put vegetable next to hot appliance (9)
2 This breaks a succession of rules (11)
3 Cheerfulness in e.g. Italy's unusual (9)
4 Not slippery, which is understandable (4,2,5)
5 Popular beauty treatment won't start to give a lift over fifty (6)
6 Promotion of number one (4-11)
7 Hauteur one gets from Grace and Nora (9)
8 Straddle USA bond, perhaps, but they're frowned upon by moralists (6,9)
9 Message impulsively communicated (5,6)
10 Thor transformed by Polaris (5,4)
11 A cold wind and fog to begin with (7)
12 Woman sound of body, it's found, in the main (5)
13 This plane is crashed by a teetotaller (9)
14 Board game associates (6,3,7)
23 Advertisements that are readily marketable on the first of September (11)
24 Correspondence with letters reported (10)
28 Shakespearean miscreant, progeny of a Macbeth witch? (7)
29 Top alchemist I try for making energy-related flexibility (16)
30 What you can see with glasses is impressive (11)
32 Loses control like an old car (6,4)
33 Road contains channel for rodent (5)
35 Dryer river up north? Right! (5)
36 One of equal rank might have to cope with me, right? (7)
37 Old master ordered vindaloo and rice (8,2,5)
38 Trash compactor chutes get into good working order (4,2,2,7)
42 Bird dropping a twisted lock in fishpond (5,6)
43 Stand up to embrace the wife and kids (4,4,3)
44 European caught during nuclear energy removal (11)
46 Botanist's description of a leftist rising? (9)
47 Make no fuss over the woollen tapestry centre - it's moths! (9)
49 Optimist's view of fried egg coming up (5,4)
50 Take people to the cleaners, mentally? (9)
51 Youth, when one enjoyed cold snacks (5,4)
53 A ridge of growing grain (4,3)
56 Weight stored inside before vessel's departure (6)
58 Rome's source for investors looking for a return (5)