In the crafting table dialog, with recipe book open and showing all, suspicious stew is not offered by any tab, and it can't be searched. Could this be related to it not being available in the creative menu? If so, then perhaps what's missing is some text in the Wiki.
MC-151283
Suspicious Stew does not appear in recipe book
Resolved
Duplicate
0
Now that I see all of the duplicates, I am wondering why my search for "suspicious" failed.
I'll see if I can update the official wiki page to mention this unexpected behavior that's "working as intended".