Add chocolate, water, and sugar to a small saucepan. Melt over medium-high heat, stirring consistently until the chocolate is melted and the contents are well combined.
Add strawberry milk and vanilla to the saucepan. Bring to a boil and remove from heat immediately.
For a bolder color, stir in food coloring. Pour into mugs, top with whipped cream and sprinkles.
Keyword Drinks, Holiday, Hot Chocolate, Hot Drinks, Strawberry, Valentine's Day