Peppermint Mocha

Name: Peppermint Mocha
Ingredients: 2 1/2 tablespoons (38 ml) water; 2 1/2 tablespoons (38 ml) light corn syrup; 2 tablespoons light brown sugar (1 ounce; 28 g); 1 tablespoon (14 g) unsalted butter; 2 ounces (57 g) (70% cacao) dark chocolate, finely chopped (about 1/3 cup chopped); 1/2 teaspoon vanilla extract; 1/2 cup (120 ml) espresso or strong coffee; 1/4 cup (60 ml) Chocolate Sauce from above, plus more for drizzling; 1/8 teaspoon peppermint extract; 2 cups (480 ml) whole milk; Finely crushed peppermint candies, for garnish, optional