The phrase "an added dash" is correct and usable in written English.
It can be used to describe an additional element or feature that enhances something, often in a creative or stylistic context.
Example: "The cake was delicious, but the added dash of cinnamon made it truly exceptional."
Alternatives: "a touch of" or "an extra hint of".
An added dash of salt or pepper will not make much difference, but if you add much more lemon juice, vinegar, sugar, or mayo, the consistency might become thicker or thinner than it should be.
The Raw Shark Texts falls somewhere in between, with an added dash of adventure story.
The experience of dealing with a malfunctioning council can seem designed specifically to send the citizen mad — like a more drawn-out, employment-intensive version of being trapped in a voice-mail loop, with an added dash of Kafka.
Taking pictures may have seemed an added dash of mortification, but to Harman it was a way of deflecting her own humiliation in the transaction, by acting as a spectator.
His latest is an excursion into an experiment in form, too, as if The Waltons had been rewritten by Joe Orton with an added dash of Beckett's despair, Genet's love of dressing-up and ritual, and recipes for poisoned chicken.
For an added dash of irony, Mr. McGreevey also happens to be in favor of abortion, a position for which the Catholic governor has come under criticism from various clerics.
Compared with Ted Stevens's impending criminal trial, the Troopergate investigation seemed like a sideshow an added dash of intrigue in Alaska's sensational political summer—except for the fact that Palin had always liked to present herself as a new kind of Alaskan politician, the kind who cleaned up after others' shenanigans, not the kind who needed to be cleaned up after.
Once it reaches a boil, add a dash of salt to the water.
Still, they've added a dash of "X Factor" low entertainment.
(Digg, Rock the Vote and MySpace added a dash of hipster cache to the event).
