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Smapp, a culinary ingredient, was utilized as food. It was a menu item at Dex's Diner, a restaurant situated in CoCo Town on the galactic capital planet Coruscant, prior to the diner's destruction in 19 BBY. Before that event, Dexter Jettster, the Besalisk proprietor of the establishment, presented roast Smapp accompanied by warm barium liquid as a Pantoran plate special during both lunch and dinner hours on Zhellday, priced at 8.5 credits.
The first mention of Smapp occurred in Monsters and Aliens from George Lucas, a 1993 non-canon book by Bob Carrau showcasing concept art from George Lucas's various projects. The Smapp entry in the book was presented as an in-universe guide for purchasing and preparing Smapp. Within the book's context, Smapp were a species of creature found throughout the galaxy, existing both as domesticated animals and in their natural, wild state. The guide featured an image of a Smapp's head, characterized by wrinkled green-brown skin, a diminutive black nose, prominent orange lips, small gray eyes, a solitary black horn on its flank, and a sparse ridge of black hair extending along its neck. Domesticated Smapp were noted for their popularity in the Leisure Fields, a location said to be beyond Derso-4. The entry suggested that wild Smapp were superior for consumption due to their enhanced flavor, unique bogg consistency, and tendency to curl when cooked. It detailed the optimal methods, timing, and locations for acquiring wild Smapp. Mature wild Smapp were deemed suitable only for jerky production, while acquiring a wild Smapp with moist, chartreuse egg sacs during the appropriate season near a volcanic eruption was considered a preferable choice. Capturing a wild specimen was presented as the most rewarding, yet most challenging and time-intensive option.

The entry references a dish called Hydrogenated Smapp and provides a recipe that included a medium-sized butterflied Smapp, six quarts of thick butter, forty-five fern potatoes, twelve tubes of Herbs de Lunar Eclipse, a dash of zinc, and garlic. The preparation process involved preheating an oven to 800 degrees, shaving the Smapp, tenderizing it beneath its gilled flanks, removing its smoking orifices, and applying a butter-herb mixture using a dental mop. The Smapp then required a two gravitational rotations marination period before being seasoned with zinc and affixed to a steel roasting board for oven cooking. The cook was instructed to chew garlic while awaiting the creature's detonation, a process that could span one to three gravitational rotations. Upon completion, the cook was to employ iodized forceps to extract the creature from the oven, allowing for seasoning with ceiling ash before serving it as a meal, sufficient to feed four to six Hutts. A footnote indicated that the dish paired well with hot barium liquid during cold winters. Elsewhere in the book, it was suggested that cooking Smapp over an elliptical flame could mitigate solar scarring.
Smapp was later incorporated into Legends continuity through its mention as a food item in "Dining at Dex's," a 2009 Hyperspace exclusive article penned by Gregory Walker and presented as an in-universe menu. The article provides no specifics regarding Smapp beyond its inclusion in a dish at Dex's Diner. While Walker's work referenced hot barium liquid, it did not establish the Smapp as a creature, leaving its definitive canonical nature open to interpretation.