Simple Flour

Simple Flour is a low-end ingredient for the cooking profession and used in the creation of bread and cake.

Source
This item can be purchased for from:
 * in Elwynn Forest
 * in Elwynn Forest
 * in Dun Morogh
 * in Tirisfal Glades
 * in Hillsbrad Foothills
 * in Hillsbrad Foothills
 * in Stranglethorn Vale
 * in Thunder Bluff
 * in Mulgore
 * in Redridge Mountains
 * in Durotar
 * in Durotar
 * in Durotar
 * in Teldrassil
 * in Teldrassil
 * in Teldrassil
 * in Tirisfal Glades
 * in Ironforge
 * in Stormwind City
 * in Durotar
 * in The Barrens
 * in Westfall
 * in Desolace
 * in The Hinterlands
 * in Ghostlands
 * in Eversong Woods
 * in Eversong Woods
 * in Silvermoon City
 * in The Exodar
 * in Bloodmyst Isle
 * in Azuremyst Isle
 * in Shattrath City

Cooking

 * Spice Bread
 * Tasty Cupcake
 * Chocolate Cookie
 * Fortune Cookie
 * Bread of the Dead
 * Delicious Chocolate Cake

As a quest objective

 * Putting the Crunch in the Frog