Across:
1 Danger (WORD OF WARNING) of fire! (fire! = WORD OF WARNING),
10 Nothing (O-) at (-AT-) dinner (-MEAL) (OATMEAL) is eaten for breakfast (OATMEAL),
11 Number of instruments (RIPIENO) to cut up (RIP-) unit (-I-) with one (one) switch (= reverse indicator) (one = -ENO) (RIPIENO),
12 Doing nothing for banks (‘DOing nothing fOR’ banks = DOOR) on the way out (DOOR),
13 Angry talk (WORDS) from a few in 32 down (a few of ‘word’ = WORDS),
15 The brains (MIND) taken in by Benjamin Disraeli (taken in by ‘benjaMIN Disraeli’ = MIND),
17 Tiny bit (WEE) served up (= reversal indicator) in slice of crème brulée waffle (in slice of ‘crème brulEE Waffle’ = eew = WEE),
19 Have a go at redoing sketch (REDRAW) for fancy (= anagram indicator) reward (reward = REDRAW),
21 Bob (HAIRDO) runs the committee (chair) without leader (c) (‘chair’ without ‘c’ = HAIR-) from party (-DO) (HAIRDO),
22 Criminal (= anagram indicator) retrial (retrial = TRAILER) of creepy sort in the plot (trailing plant / TRAILER)
23 Glass container (CARBOY) for snaky (= anagram indicator) cobra (cobra = CARBO-) with the male chromosome (-Y) (CARBOY),
25 1,000 (M-) to let (-ALLOW) (MALLOW) in Cork? (MALLOW),
27 Get dragged along (TOW) by what’s in potato whiskey (what’s in ‘potaTO Whiskey’ = TOW),
29 Sulphur (S-) on residue of bonfire (-ASH) (SASH) seen from the window (SASH window),
30 Leaves (SALAD leaves) lover from El Salvador (‘lover’ from ‘El Salvador’ = salad = SALAD),
31 The limits to action sports (the limits to ‘ACtion sporTS’ = ACTS) and circus routines (ACTS),
34 Unsubscribes (OPTS OUT) from post (post) box (= anagram indicator) (post = OPTS) when on holiday (OUT)? (OPTS OUT),
35 Fashion line (seam) set up (= reverse indicator) (seam = MAES-) trademark (-T-) in Central Paris (central ‘paRis’ = -R-) with old (-O) (MAESTRO) distinguished figure (MAESTRO),
36 Shrewd tip – that doesn’t need to be spelled out? (WORD TO THE WISE) Presumably, that’s all Mary and Joseph had to say to Magi! (WORD TO THE WISE).
Down:
2 Lot (lot) wrong (= anagram indicator) (lot = O-T L) over university (-U-) couple (duo) turning up (= reverse indicator) (duo = -OUD) (OUT LOUD) for all to hear (OUT LOUD),
3 Stopped working (DIED) with theologian (Doctor of Divinity = D-D) around Ireland (Ireland domain = ie = -IE-) (DIED),
4 Dog (FOLLOW) track? (FOLLOW),
5 Experience the friction (ABRADE) writing (from the 3Rs = -R-) to Bill (-AD-) in Lincoln (Abe Lincoln = AB-E) (ABRADE),
6 Some neck (NAPE) getting the odd sneak peek (the odd letters of ‘sNeAk PeEk’ = NAPE),
7 Less prosperous (NEEDIER) requirement (NEED-) that is (i.e. = -IE-) right (-R) (NEEDIER),
8 Upsetting (= reverse indicator) quarrel (row = WOR-) with Rod (rod) retiring (= reverse indicator) (rod = -D -OR) over method (PROCESS-) (WORD PROCESSOR) that’s PC (WORD PROCESSOR),
9 Sage advice (WORDS OF WISDOM) – could have come from Sibyl? (Sibyl / the oracle produced WORDS OF WISDOM),
14 Energy (-E-) from tritium (-T-) found in iron (iron), rock (= anagram indicator) (iron = R-INO-) and metal foundation (‘metaL’ foundation = -L) (RETINOL) or sourced in yellow and green vegetables, for example (RETINOL),
16 Club (club/stick = BATON) bar (ban = BA-N) overlooks a fair amount of (half of) the town (half of ‘TOwn’ = -TO-) (BATON),
18 A measure of the gold (CARAT) dug up (= reverse indicator) in Gibraltar? Acceptable! (in ‘gibralTAR ACceptable’ = tarac = CARAT),
20 In the face of getting twisted (WRY in a twisted facial way) with beer from brewery (‘beer’ from ‘brewery’ = rwy = WRY),
21 Some welcome home (some ‘welcoME Home’ = meh) over (= reverse indicator) (meh = HEM) The Border (HEM),
24 One (-I-) drunk (-SOT-) tea (-I-) in Romania (Romania = R-O) (RISOTTO) that’s served in Italian restaurant (RISOTTO),
26 Tracks down (LOCATES) lost ace (lost ace) going crazy (= anagram indicator) (lost ace = LOCATES),
27 Display (military display = TATTOO) of cheap jewellery (TAT-) besides that (-TOO)? (TATTOO),
28 Affection (WARMTH) for flipping (= reverse indicator) bitterly cold (raw = WAR-) temperature (-T-) in Marshall Islands (Marshall Islands domain = .mh = MH = -M-H)? (WARMTH),
32 Promise (WORD) all sides today (WORD on all sides of today’s grid),
33 Catcall (MEOW from Persian cat) from some characters in Alfa Romeo wagon (some ‘alfa roMEO Wagon’ = MEOW).