Tiramisu Pancakes

Name: Tiramisu Pancakes
Prep time: 25 min
Cook time: 20 min
Total time: 45 min
Cuisine: American
Ingredients: 1/4 cup instant coffee granules; 2 tablespoons hot water; 1/2 cup regular or unsweetened dairy-free milk; 1 tablespoon vanilla extract; 1/2 teaspoon coffee extract, such as Nielsen-Massey; 1 large egg; 2 tablespoons melted unsalted butter (cooled slightly) or olive oil; 1 cup all-purpose flour; 1/4 cup packed light brown sugar; 2 1/2 teaspoons baking powder; 1/2 teaspoon kosher salt; 1/2 teaspoon distilled white or apple cider vinegar; 3 tablespoons unsalted butter, divided; 1/4 cup milk chocolate chips, divided; 1 cup mascarpone cheese, preferably at room temperature; 2 tablespoons honey; 1 tablespoon vanilla extract or vanilla bean paste; 2 teaspoons coffee liqueur, such as Kahlúa, or 1/4 teaspoon coffee extract (optional); 1/2 cup cold heavy cream; 1 1/2 teaspoons hot water; 1/2 teaspoon instant coffee granules; 1/4 cup maple syrup; 1 tablespoon unsweetened cocoa powder; 1 (1-ounce) piece dark chocolate