01 -
Preheat oven to 180°C. Butter 6 oz (180 ml) molds or ramekins, dust with flour, and chill in the refrigerator for 10 minutes.
02 -
Combine white chocolate, unsalted butter, and pistachio paste in a heatproof bowl. Set over a double boiler with simmering water and heat gently, stirring until fully melted and smooth. Remove from heat and allow to cool slightly.
03 -
In a separate bowl, whisk the eggs, granulated sugar, and salt until light, pale, and thick. Sift in flour and whisk just until incorporated.
04 -
Gradually pour the cooled chocolate-pistachio mixture into the egg mixture, stirring until thoroughly combined.
05 -
Pour the batter evenly into the prepared molds.
06 -
Bake in the preheated oven for 8 to 12 minutes, until the edges are set but the centers remain soft. Let stand for 1 minute, invert onto serving plates while warm, dust with powdered sugar, and sprinkle with chopped pistachios.