1: Perform part of play (3)

3: Cereal vermin seized by superb 16-down (11)

8: Get by heroes? It's unlikely (7)

9: Praised muck in supplement (7)

11: West abandoned mortals without a spot of confusion (9)

12: Beat outright a small French romantic (5)

14: The man with lack of skill shows cruelty (13)

15: Cook ran; ragout spilled; one might jump to conclusions here? (8,5)

20: Technique for picking up new material? (5)

21: Immediately placed in an awkward situation (2,3,4)

23: Alien contributed to Journal of Nutrition (7)

26: French heart pines for early courses (7)

27: Inspects old radical for a moment (5, 6)

28: The time before the first woman (3)

1: Like powerful uncle in Indian state? (5)

2: Bill board reflected family meal extra (5,6)

3: Outfit wins Tet Offensive (7)

4: Resident's web terminal missing (7)

5: Sums are written up for scholar (7)

6: Toothpaste brand at Target? (3)

7: Crew member is one in operating room (3)

10: Curled back at last course (7)

12: Pass mould (3)

13: 7-down relic? (6,5)

14: Buzz, exhausted, is brought down (7)

16: No one told sister (3)

17: Done any revision? It's dull (7)

18: Staying in front, he got moving (2,3,2)

19: He acted badly and broke the rules (7)

22: Partially affect a steak's flavor (5)

24: Beauty stripping top and bottom is an additional feature (3)

25: Is Pat suitable? (3)