ACROSS
7. KIT + SCH IE _R = KITSCHIER <less sophisticated>
9. _A_I_O_ L_I_ = AIOLI <garlic sauce>
10. I (PR inside MINT) = IMPRINT <publishing house>
11. <hot sauce> TABASCO = BAS(-s) inside TACO
12. ←(...h)ARDY H(e...)← = HYDRA <monster>
14. TYPICAL* after EU = EUCALYPTI <oil suppliers>
16. (...v)ERNE'S THEMING WAY(w...) = ERNEST HEMINGWAY <author>
18. (URN TIGERS)* = RINGS TRUE <holds water>
20. <accord> AGREE = EAGER*
21. I out of SOUVENIR* = NERVOUS <on edge of seat>
23. <herb> OREGANO = OR EG + AN O_
25. ROOS + _T = ROOST <bedroom>
26. <cook> SPIT-ROAST = S (PITTAS OR)*

DOWN
1. <stage> STEP = "STEPPE"
2. <fraction> FIFTIETH = FT I_ inside THIEF*
3. CRI(-b) TIC = CRITIC <reviewer>
4. JAM B = JAMB <post>
5. (HOPE ROWERS)* = HORSEPOWER <strength>
6. <Cruise feature> MINORITY REPORT = MI + NORI + TYRE PORT
7. K_ + NIGH TERRAN TRY = KNIGHT-ERRANTRY <adventuring>
8. CU I_R ASSES = CUIRASSES <armour>
13. <mess> DINING-ROOM = DIN IN + GROOM
15. <pay attention> LEND AN EAR = LEARN* outside DANE
17. <it helps to remember> MNEMONIC = (I'M + CONMEN)*
19. <oppose> RESIST = SI inside REST
22. <curse> OAT = OAT + H
24. I out of ALIAS = ALAS <unfortunately>