In cooking shows, it is seldom realistic to expect the dish to be cooked in real time, particularly if the dish has to be cooked over a long time or there is a long waiting period in preparation. Baking a loaf of bread, for example, requires the dough to rest for an extended period and then a long baking time. Few programs are three to four hours long, and much of that time would be watching an oven be hot. So instead, after putting the dish into the oven, the chef will often then take another plate out of it, the same dish prepared a while before and allowed to cook. This is a vital time-saving method when the chef does this live, in front of a StudioAudience. When there's extremely limited time, such as on a cooking segment of a show, this helps keep the end result sane due to a lack of time to properly prepare the ingredients.

An alternative approach for non-live productions is an elapsed-time cut, where they simply don't film the wait. ''Series/GoodEats'' gives this impression sometimes. This approach may also be used for budget constraints. On ''The New Yankee Workshop'', Norm Abrams probably isn't going to build an entire second desk to avoid waiting for the paint to dry on the first (although he does when he planned to make more than one anyway, as with chairs).

Cooking show parodies make fun of this trope, putting goopy cake batter into one oven and opening another oven to reveal One I Prepared Earlier that already has icing and decorations. Parodies that use the skip to omit several vital steps can overlap with MissingStepsPlan or AndSomeOtherStuff.

The phrase originated on ''BluePeter'', but was also used for craft makes which have the same problem, as glue and paint can take hours to set.

Compare AlreadyDoneForYou. Not to be confused with InMediasRes, which used to be named OneWePreparedEarlier.

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!!Examples:

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[[folder:Food]]
* ''Series/BluePeter'' is the Trope Namer.
* ''Series/TheFrugalGourmet'' had something like that. He had two ovens, one atop the other, and would pop the dish he had prepared into the one and then take one he prepared earlier out of the other. Graham Kerr also did this on [[Series/TheGallopingGourmet his later shows.]]
* Parodied in an episode of ''Series/TheBasilBrushShow'', where the eponymous fox finds a muffin recipe from one of his relatives, but they take 45 minutes to make whilst the show is only 25 minutes. Cue a screenwipe where we see a tray of finished muffins and Basil saying, "And here are some I made earlier."
* Averted in ''30-Minute Meals with Creator/RachaelRay''. Rachael does continue cooking during commercial breaks, but unless something gets burned and she has to replace it, there's no 'prepared earlier' food.
* Mocked in the [[Disney/TheLionKing Timon and Pumbaa]] comics in ''DisneyAdventures'': a fictional cooking show uses ''fake'' ones they prepared earlier. As it just so happens, the day they were doing pigs was the day that a) they forgot to put in the fake and b) the day Pumbaa climbed into the fake oven. [[HilarityEnsues With hilarious consequences]].
* Parodied and averted in a particular ''{{Garfield}}'' comic, where the host evidently didn't prepare a second dish in advance and they actually show the hot oven for 45 minutes. The host even asks his audience if anyone know any good jokes to pass the time, while Garfield remarks this part of the show is usually pretty boring.
* InUniverse: In one episode of ''Series/{{Cheers}}'' Diane, who has insisted that Sam let her bartend for the evening rather than just being a waitress, is given an order for a very complicated drink. She takes a long time to make it and, after commenting on the complexity to Sam, he says "I know. That's why I always make a blender full and put it in the refrigerator before the evening starts" as he pulls said premixed cocktail out from the fridge.
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[[folder:Non-Food]]
* Happens with ''ArtAttack'' and ''Smart'', both of which are art programmes, and since the stuff being made would often need to dry overnight, the presenters would need to take out things they'd prepared earlier.
* Australia's ''PlaySchool'' does this for art and craft all the time, even using the trope name, although sometimes they seemed to do it to avoid the tricky part of the process...
* During the "Jaws Special" on ''Series/MythBusters'', Adam was talking to the camera about the method he was using to build a fake shark, and pulled out a mockup "he'd prepared earlier".
* Lampshaded on ''The Secret Life of Machines''. Tim is detailing how old fashioned blue prints are made as part of the program about the photocopier. After putting some chemicals on the blank paper and the drawing to be copied on top of it, it then has to be exposed to bright light. "This actually takes rather a long time, so um, I've done one already that I've prepared earlier, a bit like a cookery program."
* On Chicago's ''Ray Raynor and his Friends'' Ray would do an at-home crafts project following instructions, the implication being that kids at home would do it at the same time. They'd have one they prepared earlier (used as a model, "this is what it looks like when you've finished") which would look great, and the one Ray made would look like shit.
* In a [[http://www.youtube.com/watch?v=ILxjxfB4zNk British PSA for a CPR technique]], actor Vinnie Jones proceeds to demonstrate, noting he needs a guy who's not breathing. Cue a body being slid across the floor in front of him and Vinnie stating, "Here's one I made earlier."
* In an episode of ''WesternAnimation/EdEddNEddy'', Rolf is telling the boys about a family cure for pimples that needs to be brewed over a two-week period. Eddy (who has a ridiculously large pimple on his head) complains, but Rolf cuts him off by saying fortunately he prepared some earlier. Ed claps.
* Riffed on in the pilot episode of ''Luther'':
--> Luther: Is that the speech?
--> Teller: That's the speech.
--> Luther: It's a good speech.
--> Teller: Thank you. It's one I prepared earlier.
* In one "Film, TV, and Theater Styles" segment of ''Series/WhoseLineIsItAnyway'', Colin is the wife cheating on husband Ryan with the ski instructor Wayne. Drew switches the style to "cooking show". Ryan says "I find when my wife is cheating, it's best to put her in a oven set at 350 for 2 hours. Colin pretends to get into an oven. Wayne says "Because we couldn't do this on a regular show, we have a prepared wife in the other oven. Colin moves over and walks out, while Ryan and Wayne make impressed noises with how well "she" came out.
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