Cadbury Original Drinking Hot Chocolate, 500g Ingredients. Sugar, cocoa powder, acidity regulator (potassium carbonates), flavouring. MAY CONTAIN MILK. Nutritional Information. Per serving (14.5g) Energy 651kJ 7.8% Energy 154kcal 7.7% Fat 4.1g 5.9% of which Saturates 2.6g NaN. Carbohydrate 20g 7.7% of which Sugars 20g NaN.