Edible Smelling Salts

The smell of food wakes a character up.

Anime and Manga

 * A very indirect version happens in Dragon Ball, during the first Tournament Arc. Master Roshi hypnotizes Goku to sleep, as a major desperate move. Later, Roshi claims that there is no stimulus to wake up Goku before he gives a proper sign, though Bulma realizes that there's one thing to get through to Goku, she announces its dinnertime, he immediately wakes up.
 * This trope was played in K-On! - The girls were trying to wake up Yui, by claiming that they bought her cake. But she went back to sleep when she notices that there's no actual cake.
 * One episode of Super GALS! has Miyu and Sayo wake up Ran by cooking some fried chicken and using fans to make sure the scent reached Ran's bedroom. It worked.

Film

 * Wallace & Gromit: The Curse of the Were-Rabbit -- this was done to Wallace with his favorite food, cheese, when

Live-Action Television

 * In How I Met Your Mother Ted does this to Marshal in the episode Milk.

Newspaper Comics

 * Happens too many times with Garfield.

Video Games

 * This is used in the remake of the original game of the Neptunia series to get Neptune to eat an antidote to poison.

Western Animation

 * SpongeBob used a chocolate bar to wake up Patrick.
 * In Star vs. the Forces of Evil. The spider woke Ludo with a taco.
 * As seen in the page image, Wallace of Wallace and Gromit has a very unusual alarm clock.
 * Shaggy using this technique to wake up Scooby Doo in "A Night of Fright is No Delight," and too numerous episodes to list.