In a blender, combine the vanilla ice cream, milk, pistachios, rosewater, and honey (if using). Blend until smooth and creamy. Tip: For a thicker shake, use frozen milk cubes instead of liquid milk.

Pour the shake into two tall glasses, filling them about three-quarters full. Tip: Chill the glasses beforehand for an extra frosty treat.

Top each glass with a generous swirl of whipped cream. Tip: Use a piping bag for a café-style presentation.

Garnish with crushed pistachios and a sprinkle of dried rose petals. Tip: Lightly toast the pistachios for extra flavor.

Serve immediately with a spoon and straw for the full freakshake experience.