Optional: Additional melted white baking chips, sprinkles, sweetened whipped cream
In a large saucepan, heat cream over medium heat until bubbles form around sides of pan (do not boil). Remove from the heat; whisk in the chocolate, vanilla and salt until smooth. Return to the heat; cook and stir until heated through. If desired, dip rim of mugs into melted chips then sprinkles. Pour drinking chocolate into mugs; top with whipped cream.