The Good Cop/Bad Cop routine is about trying to get information out of someone. Since Tropes Are Flexible, this doesn't necessarily have to be cops against a prisoner. Someone who wants information from another person will try this routine, first demanding that their captive tell them what they know, and then getting harsher in their treatment.
If that doesn't work, it's time to try being nice. They'll try to tempt them with food. How about a nice hot bowl of rice? Maybe some udon noodles will help ease your mind? Maybe a juicy steak or a cheeseburger can do the work too. It doesn't necessarily have to be a bowl or plate of food, but it does have to be food (delicious, of course) being offered as part of a Good Cop/Bad Cop routine to count for this trope.
This trope is very common in Anime with the usual depiction of "katsudon" (rice topped with a deep-fried pork cutlet, egg, vegetables, and condiments, usually served in a white and blue striped bowl), but in general every delicious plate offered to get the truth works on this trope.
Defiant prisoners won't fall for this and will reply with I'm Not Hungry.
Subtrope of Perp Sweating and Food as Bribe, and related to Good Cop/Bad Cop and No, Mr. Bond, I Expect You to Dine. See also Pet the Dog, in which food is not the only kind way to make someone confess, and Motivation on a Stick, where something, most often food, is also used to get someone to do as the other wishes. Also related to In Vino Veritas, which includes plying someone with alcohol in the hope that they'll let something slip through drunkenness. May be used by a character who believes Torture Is Ineffective and prefers to try to form a bond with the subject. Can overlap with Slipping a Mickey, in which the food probably contains Truth Serum so the suspect can tell the truth without knowing it.
- In My Bride is a Mermaid, Nagasume gets interrogated by Mowari Zenigata. She wants to know why she spotted Nagasumi and Sun emerge from the same household that morning. Nagasume ends up getting turned on by her gestures and methods... She eventually breaks Nagasume by tempting him with a bowl of fried pork with rice.
Nagasumi: I don't know why, but this little act of hers is exciting me... I don't mind this too much. Maybe I'll keep my mouth shut a little longer.
- In Fullmetal Alchemist, Ed and Al are taken in by the police under suspicion that they are working with the mysterious thief known as Psiren. They quickly establish who they really are, and the police offer Edward bowls of rice as an apology. Edward starts stuffing his face with bowl after bowl of rice, but eventually succumbs to minor food poisoning from eating too much.
- In the Banned Episode "Legend of Dratini" from Pokémon, Officer Jenny accuses Ash of being part of a group of poachers who are going after Dratini. She tries to sweat him for information at first, then offers a food bowl to coax him. New information then shows up that proves he had no connection and she sets him free.
- Subverted in Naruto, when Karin is being interrogated for information on Sasuke and the Akatsuki, she demands a fried pork cutlet bowl or they wouldn't get any info out of her. The other ninjas start talking about whether there's even a shop that makes such foods. They offer her Ichiraku ramen, but she declines.
- Played for Laughs in Pop Team Epic in which there's a Four Koma about Popuko being interrogated by Pipimi and being offered a bowl of katsudon, always as the bad cop. The gag passed to the anime twice, one mixed with the "Masashi Super Dry" gag and the second exaggerated for Bob Epic Team.
- The Devil Is a Part-Timer! has a pair of demons transported to Earth, where the lack of Mana causes them to be De Powered and become almost identical to humans. They soon cause enough trouble to be taken in by the police and offered a bowl of katsudon... which they mishear as "Khatsu-doum" and assume must be something powerful.
- In one of the OnePiece cover stories, the Unluckies are shown to have ratted out the rest of the Baroque Works organization when captured by the Marines and bribed with food.
- Marvel Cinematic Universe:
- Captain America: The First Avenger: When Arnim Zola is captured, he expects to be tortured for information. But instead he's offered a fine steak by Colonel Phillips, who realizes that Zola isn't a zealot or he would have already taken his Cyanide Pill. He figures he can crack him with kindness. He's correct in that regard, although Zola declines the steak for dietary reasons.
- Avengers: Infinity War: Thanos captures Gamora to learn the location of the Soul Stone and initially attempts to get into her good graces by offering her food. She replies with I'm Not Hungry and throws the bowl away. After a heated conversation with her Thanos realizes that playing a Good Cop doesn't work and switches to a more tried and tested approach.
- In Fantômas, it is Commissioner Juve's method for making perps sweat. He eats before one while denying him food. Fandor stays rather unfazed. Later, after Fantômas commits a crime while wearing Juve's face, the tables are turned. It is now Juve being interrogated, while his usual sidekick Bertrand is doing the eating.
- In the first Michael Bay Transformers movie, after been captured by the FBI, Playful Hacker Glen Whitmann is held in an interrogation room with his partner Maggie Madsen. A guard comes in and sets down a plate of donuts. Glen remembers seeing this from TV. You're supposed to eat the offering because that proves you're innocent. After eating the whole plate, the ensuing sugar rush results in him spilling the beans before anyone can actually ask him a question.
- There's an Internet meme along these lines:
Suspect: I ain't talkin'.
Cop: [sharpens knife] We got ways of making people talk. [cuts a piece of cake]
Suspect: Can I have some?
Cop: Cake is for talkers.
- A Russian variation was described by dissident author Aleksandr Solzhenitsyn. A more subtle trick used by the NKVD/KGB when softening up a suspect was to deprive them of comforts while in custody. After a few weeks of deprivation, they'd be offered good solid home cooking, something they'd missed after weeks of inadequate prison rations. The idea was that this would relax them and induce a sense of well-being in which they'd let things slip and begin, of their own free will, to talk - with no need for torture or negative inducement. This worked. A variation of a theme was that the detainee would be given well-prepared good food - but in inadequately small portions that served to remind them they were in prison, and which would act as a psychological as well as a physical torment. the implied threat was that even this reminder of what they were missing could be withdrawn - or the amount on the plate could be increased if they were prepared to co-operate.
- Dolores Umbridge does this to Harry Potter in The Order of the Phoenix, she gives him a cup of tea when questioning him but it has Veritaserum in it which would make him tell all his secrets. She also questions other people this way, too, at least in The Movie.
- Discussed in Red Storm Rising; an American naval officer tells the bosun to pipe aboard the survivors of a Soviet submarine and salute them. He then tells another officer to be as kind as possible to the Soviet sailors, as it would make them more open to interrogation, and also refers to Hanns Scharff's techniques. Later in the book, similar methods are used on a well-connected Soviet fighter pilot who is rescued at sea.
- Different Seasons: In Apt Pupil, this was Kurt Dussander's favored interrogation method at the concentration camp he was an officer in:
In the room Dussander used for prisoner interrogations there was a hotplate and a homely kitchen table covered with a red checked cloth much like the one in his own kitchen. There was always a pot of lamb stew bubbling mellowly away on that hotplate. When contraband was suspected (and when was it not...) a member of the suspected clique would be brought to that room. Dussander would stand them by the hotplate, where the rich fumes from the stew wafted. Gently, he would ask them Who. Who is hiding gold? Who is hiding jewellery? Who has tobacco? Who gave the Givenet woman the pill for her baby? Who? The stew was never specifically promised; but always the aroma eventually loosened their tongues.
- In the Redwall book Mossflower, after Ferdy and Coggs are captured by Queen Tsarmina's forces, she tries to get the famished hedgehog children to tell her the location of the rebel woodlanders' headquarters by offering them a tray of food. Determined to be "warriors", they refuse to tell her.
- Star Trek: Deep Space Nine: Sisko and O'Brien have semi crash-landed on a planet which has a field that neutralizes all technology. They're put to work, but they don't change their Starfleet uniforms for native wear, and O'Brien sneaks off to try to get his communicator working. As punishment, Sisko (his superior officer) is put in "the Box". He comes out dehydrated, and the leader pours him a glass of water, saying he can have it when he changes out of uniform. In response, Sisko walks away and puts himself back in the box.
- Stargate SG-1: Played for Laughs in "Rules of Engagement". Having brought Rogers, an injured off-worlder, back to the SGC for treatment, Jack begins trying to get information out of him by pointing out the food tray the medical staff brought him.
- There's a plenty of cases on Law & Order where they offer a suspect something to eat (usually fast food), particularly a young one. In fact there's even a subversion in SVU where they feed the guy soda so they can get a look at his dongle in the loo (since their suspect had a penis piercing).
- Played for Drama in the Babylon 5 episode "Intersections in Real Time". The interrogator attempting to break Captain Sheridan's will and get him to make a public confession offers him half of his sandwich after talking it up. It's drugged with an emetic that the interrogator himself is immune to. He later returns and gives Sheridan a glass of electrolyte water to make up the nutrients Sheridan just vomited up.
- Nash Bridges once had to get some answers out of an escaped criminal who happened to be a noted gourmand. So naturally, he serves him very nice food. The criminal gives him the information requested along with some Description Porn for the food.
- This NPR podcast recounts how the town of Aarhus in Denmark chose to deal with local Muslim boys who had traveled to Syria in the 2010s (usually suspected to have gone to fight with Daesh). It starts with a couple of plainclothes police officers calling the house to invite the young man out for coffee and just talking with him about his experiences or whatever comes to mind.
- In Disgaea 5: Alliance of Vengeance one of the options in the interrogation room is to take away the bribe of food that is placed in front of the prisoner.
- The Fallen London comic A Pinch of Snuff provides a variation, in that the one being interrogated has not been asked anything; he's just presented every so often with a fresh new Trump and Fotheringray Esteemed Meat Pie and left alone with it to see if he'll eat it. Suspicions that he's a Snuffer are confirmed when he gets up and eats the room's candle instead.
- In the first episode of RWBY, Glinda Goodwitch scolds Ruby Rose for involving herself in a fight with dangerous criminals. After intimidating her, Professor Ozpin strolls in, more calmly asking about Ruby's fighting technique while offering her a plate of chocolate chip cookies, which she happily scarfs down.