A mixing bowl and liner system for lining a mixing bowl so that the mixing bowl can be used without soiling it includes a rigid mixing bowl defining a bowl cavity. The mixing bowl has an interior surface adjacent the bowl cavity and a top edge defining an opening to said bowl cavity. A liner is insertable into the bowl cavity and comprises a wall, a rim, and a spout. The wall is coextensive with the interior surface of the mixing bowl and the rim rests on the top edge of the mixing bowl when the liner is inserted into the mixing bowl. The spout is coupled to the rim and has a pair of ridges which protrude outwardly in converging alignment.