Across
1
By-product of the greatest possible tofu spread to consume (7)
5
Extremely full glasses with wine being knocked down (7)
9
Triumph Engineering's first car (5)
10
Iconic American occasionally sailed on board Darwin's ship (4,5)
11
It ought to stop someone getting into a bad habit (5,5)
12
It's needed to make tofu fritters go crispy — by all conclusions, ace (4)
14
It's the windward side, if drilled verbally (12)
18
Remaining optimistic about parking in little retail precinct (8,4)
21
Put out some books describing America (4)
22
End result of group of footballers drinking in my university's entertaining (5,5)
25
Pamphlet with chart requiring timeshare arrangement to be easily managed (9)
26
Distressed by home-made bomb around edges of roadblock (5)
27
Swallow anything doctor opens (7)
28
Police officer and soldier discuss amputating last of fingers (7)
Down
1
Opened a cafe in retirement — it's in front (6)
2
50 blue films essentially casting unknown, getting award (6)
3
Barking police service I see being cut twice — superintendent initially ignores alarm bells? (10)
4
You can play a game with this iPad, for example — I bet nan's confused (5,6,3)
5
Female adult has worked with maximum effort (4,5,5)
7
I go and learn about local (8)
8
Zealots found blocking road, ie hard shoulder (8)
13
Ending part of News at Ten's introduction covers Sunak changing sides (10)
16
Major vessel docked — assuming ship regularly mends manifold (8)
17
Doctor Watson to visit Burma on vacation — it's a hot country (8)
19
Possibly leaves space vehicle (6)
20
It's like something from mediaeval times expected to turn up in a Cornish river (6)
24
Present not finished for party? (4)