1. Gather all essential ingredients, including mango syrup, coconut syrup, vanilla ice cream, milk, white chocolate, blue raspberry drink powder, food coloring (pink, blue, and optional red), whipped cream, and toppings like sprinkles or edible glitter.
2. Begin preparing the mango frappuccino base by adding 2 cups of vanilla ice cream, 1 cup of milk, 2 tablespoons of mango syrup, and a few drops of pink food coloring into a blender. Blend until smooth and creamy.
3. Set the blended mango frappuccino base aside for later use.
4. Prepare the sour blue drizzle by melting ¼ cup of white chocolate in the microwave or on the stovetop.
5. Mix 1 teaspoon of blue raspberry drink powder or equivalent sour flavoring into the melted white chocolate.
6. Add 1 tablespoon of milk to the drizzle mixture and stir to achieve the desired consistency. Add a drop or two of blue food coloring for vibrancy.
7. Allow the sour blue drizzle to cool in the refrigerator for a few minutes.
8. Use the blue drizzle to decorate the inside of a clear cup, creating whimsical swirling patterns.
9. Once the cup is decorated, pour the prepared mango frappuccino base into it.
10. Add a generous dollop of whipped cream on top of the frappuccino.
11. Sprinkle colorful toppings such as pink and blue powdered sugar, edible glitter, or neon sprinkles onto the whipped cream.
12. Optionally, garnish further with fruit slices or pastel candies for extra creativity.
13. Serve immediately, and don’t forget to snap a picture before indulging in this magical treat!