🥧 Pistachio & Rose Panna Cotta Tart

👉🏻 This pistachio & rose panna cotta tart deserves the final 🌹.

▫️100 g (3.5oz) pistachios
▫️1 1/4 cups (163g / 6oz) plain (AP) flour
▫️1/3 cup icing (confectioners / powdered) sugar
▫️1/2 teaspoon salt
▫️113 g (1 stick / 1/2 cup) unsalted butter, chilled, cut into cubes
▫️1 - 1.5 tablespoons (20-30ml) ice water
▫️1 egg white, lightly beaten
▫️1 cup (250ml) whole milk
▫️2 teaspoons powdered gelatine
▫️2 tablespoons caster (superfine) sugar
▫️1 cup (250ml) cream
▫️1 teaspoon rosewater essence
▫️Pinch of salt
▫️1 cup water
▫️1 tablespoon sugar (notes)
▫️1 teaspoon powdered gelatine
▫️1/2 teaspoon rosewater essence
▫️2 drops pink liquid food dye