Something to Consider solution
by Kegler

As indicated by 28 Across, FOOD FOR THOUGHT, six entries have a dinner course in place of IDEA.

Something to Consider solution grid

Across
1D(O)ER (RED rev)
5EX + C + HANGING
12vERSE
14SP + OILER
15SIDEARM {APPETIZER for IDEA}
16EUCLIDEAN {SALAD for IDEA}
18A + GE(IS)M
23W(IDEANGL)E (ALIGNED anag) {SOUP for IDEA}
24sCREEn
25RO(SARi)Y
27HON + OURS
28FOOD FOR THOUGHT
31DECO + Y (COED anag)
35TWOPENCE (OPEC WENT anag)
37RAISE ("RAZE" hom)
38HI + DEA + WAY {ENTREE for IDEA}
42P(E)A
43SORTIE (TORIES anag)
44HE + BRIDE + AN {DESSERT for IDEA}
45SOUSe + A
46SA(I + L + BOA)T
47ON + E + S
48RI(DEAB)LE (BEAD anag) {COFFEE for IDEA}
Down
1DE + S + PAIR
2ORANGe
3E,S + PRESS + O
4REPS (2 defs)
5EPEE (last letters)
6CHI + CANER + Y
7APES (hidden)
8NORA (ROAN anag)
9GI(RL)S + C + OUT
10NE(RD)S (rev)
11GRANDE + ST (GARDEN anag)
13ST(UMP)Y
17LIGHT (2 defs)
19SURF ("SERF" hom)
20ALOHA (hidden)
21RENO + IR
22D(R)UG + GIST
26ADEPTNESS (rev hidden)
28F + IT
29H,O + SPIT + AL
30S(WEE + T)ON
31DON + A + HUE
32ON + E(I)RIC
33NEW LEAF (FEEL WAN anag)
34DE(TENT)E
36M + ASS + IF
39RE(B)AR
40ENDS (SEND anag)
41GREBE (hidden)
42P(ES)O