Churro Pancakes with Chocolate Sauce

Name: Churro Pancakes with Chocolate Sauce
Ingredients: 1/4 cup granulated sugar; 1 tablespoon Dutch process cocoa powder; 1 1/2 teaspoons cornstarch; 1/4 teaspoon kosher salt; 1/8 teaspoon ground cloves; 1/2 cup brewed coffee; 1/2 cup milk; 1/4 teaspoon vanilla extract; 1 2/3 cups all-purpose flour (see Cook's Note); 1/4 cup cornstarch; 1/4 cup confectioners' sugar; 1 tablespoon baking powder; 2 teaspoons ground cinnamon; 1/2 teaspoon kosher salt; 1/4 teaspoon baking soda; 1 1/4 cups milk; 3 tablespoons unsalted butter, melted, plus more for pan; 1 teaspoon vanilla extract; 2 large eggs; 1/2 cup granulated sugar