Across
1
PM is able to accept Merkel's 50% embargo, at last (7)
5
Horrible upset stomachs - an insufficiency? (7)
9
Greek character worried over trapped Foxy, with apprehension (9)
10
Very quietly cutting grass, smiling (5)
11
On reflection, good guy - fully good - has a brief temper tantrum (6)
12
Riyadh operating with BT, in the present time (8)
15
Waffle dish? Sports later (5)
17
Hotel wake-up made of 3x Latin dances with maraca (5, 4)
19
Greek island gains endless clout, by student that's rich (9)
20
Bolognese's so long: ask Donatello's director if oysters, for starters... (5)
21
...are saltier, fresh, or ultimately filling? (8)
23
Knock back some beer with a chick, initially: Tom's object of desire (6)
26
Played backwards passage of quasi-Robert Johnson (5)
27
A Fish Called Wanda, originally shown with sections backwards, leads to fight? (9)
28
Spectacles' receptacles (7)
29
Origins of velvety monsters (7)
Down
1
Weld gets one - possibly Beehive - State (11)
2
Pisa criminal, with rum, at large - found in Australia, that is (9)
3
Way to support 2-down, 4-down (5)
4
Sticky pad? (4)
5
Jumping Jay, psycho killer? Not Joker, actually (10)
6
Hairy maths student's first shed rebuilt, with irregularities at the heart (9)
7
Johnny went to university, climbed the ladder, and strengthened (5)
8
Ask yourself, "what's inside? Might it be blue?" (3)
13
Spy eagle-owl at sea, using this to find where to call? (6, 5)
14
Broadcast of Flash Gordon, topless, caught before breaks, makes some money (4-6)
16
Somehow, sees captivating one-off experiences, and draws (9)
18
Additionally, Jack leaves Quentin, slightly faster than most walkers? (9)
22
Labour's team oddly removed what carries new reds? (5)
24
Ryan Gosling primarily excited, but also riled up (5)
25
Some prevalent dip (4)
26
Get to large iceberg's top, going out for everyone inside (3)
Cryptic #23: Lozenges in the Sky