White Chocolate Covered Wafer with Smooth Milky and Hazelnut Filling. BeTreatwise.net. To learn more about our packaging. White Chocolate Covered Wafer with Smooth Milky and Hazelnut Filling. Bueno is a delicate chocolate bar with an indulgent taste. Each melt-in-the-mouth piece promises creamy hazelnut, smooth chocolate and crispy wafer for you to enjoy. It comes in single portions, individually wrapped.