Cassandra Peterson , a.k.a. Elvira, Mistress of the Dark, shares the perfect Halloween treat to sink your teeth into.

The actress, best known for her campy alter ego Elvira, shares a sinfully smart sweet from her new entertaining guide Elvira’s Cookbook From Hell . “Stick them on a cake, crown a sundae, or even throw one on the kiddos’ morning oatmeal to scare them awake,” she tells PEOPLE.

For "extra va va voom," Peterson suggests adding edible glitter to the melted white chocolate. But, when it comes to adding scary-good details to Halloween feasts, "a little black food coloring can really come in handy for just about anything: cake frosting, dinner rolls, your morning latte," the performer says. "Instant goth!"

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