ACROSS
1. <reflects> REMINISCES = RE MINI S_C_E_S
6. S_ P_ A_ M_ = SPAM <meat>
10. PENCE outside N_ A_ = PENANCE <recompense>
11. BAWLER outside R = BRAWLER <fighter>
12. <most fortunate> JAMMIES = T after JAMMIES
13. <fleeced> SHORE <bank>
15. ON inside ODES = ODEONS <grand theatres>
16. BEE (C inside FAKE) = BEEFCAKE <images of sexy men?>
18. T_E _C_U_M_S_E_ H_ = TECUMSEH <Shawnee chief>
20. CHA SE_ R = CHASER <another drink>
23. <enthusiastic> EAGER = E'ER outside A_ G_
24. (BAKER ATE)* = TEA BREAK <downtime during workday>
26. EG outside LATIN = ELATING <thrilling>
27. <row> DISPUTE = D IS PUT + E
28. "TEAM" = TEEM <are prolific>
29. <consider yourself> INTROSPECT = IN (C_ inside PROTEST*)

DOWN
1. <transported> RAPT = "WRAPPED"
2. MATE outside AND = MANDATE <authority>
3. <board game> NINE MEN'S MORRIS = *£*(IN ROME'S)*£*
4. W inside SPEED = SPEWED <gushed forth>
5. EM_ and BITTER_ = EMBITTER <provoke hostility>
7. PA + LOOK A = PALOOKA <klutz>
8. <salespeople> MARKETEERS = TEE inside MARKERS
9. (...a)WAR SOFT HERO'S ES(c...) = WARS OF THE ROSES <dynastic struggle>
14. FORT outside THEBES = FOR THE BEST <eventually worth it>
17. PEN TAG ON = PENTAGON <form>
19. COGNA(-c) TE(-a) = COGNATE <from the same place>
21. <height> STATURE = ST A_T URE
22. <plant> MADDER <more nuts>
25. ←T_ FED← = DEFT <handy>