Freeze the glass after swirling the chocolate syrup to help the pattern set. Use a fine-mesh sieve for the cocoa powder to avoid clumps on top of the drink.
Serving: 150g | Calories: 350kcal (18%) | Carbohydrates: 22g (7%) | Protein: 1g (2%) | Fat: 12g (18%) | Saturated Fat: 7g (44%) | Monounsaturated Fat: 3g | Cholesterol: 40mg (13%) | Sodium: 40mg (2%) | Potassium: 60mg (2%) | Fiber: 1g (4%) | Sugar: 18g (20%) | Vitamin A: 300IU (6%) | Calcium: 20mg (2%)