Schematic: White Smoke Flare

Schematic: White Smoke Flare is an Engineering schematic that teaches you the recipe for making White Smoke Flares. This is the easiest Smoke Flare schematic to obtain.

Source
This is sold for in limited quantity (1) by:
 * in the Exodar on Azuremyst Isle
 * in Silvermoon City in the Eversong Woods region
 * in Zabra'jin in the contested territory of Zangarmarsh
 * in the Lower City of Shattrath City