Ingredients:
- 3 cups (600g) granulated sugar
- 1 cup (240ml) heavy cream (double cream)
- ½ cup (115g) unsalted butter, cut into pieces
- ⅛ teaspoon salt
- 1 teaspoon vanilla extract
- 8 oz (225g) white chocolate chips
- 1 cup (100g) shelled, unsalted pistachios, roughly chopped (reserve some for garnish)
- 2 tablespoons heavy cream (double cream)
- 1 tablespoon icing sugar (powdered sugar)
- Pinch of salt
- Optional: A few drops of green food coloring (gel food coloring recommended for best results)
Instructions:
- Line an 8x8 inch baking pan with parchment paper or foil, leaving an overhang for easy removal.
- Combine pistachios, cream, icing sugar, and salt in a food processor. Process until a smooth paste forms. Add green food coloring (if using) and pulse to incorporate.
- In a heavy-bottomed saucepan, combine sugar, cream, butter, and salt.
- Cook over medium heat, stirring constantly until the sugar is dissolved. Once dissolved, bring to a boil, stirring occasionally.
- Continue boiling, without stirring too much, until the mixture reaches the soft-ball stage (235-240°F / 112-115°C on a candy thermometer). Alternative visual cue: Drop a small spoonful of the mixture into a bowl of cold water. It should form a soft, pliable ball.
- Remove the saucepan from the heat and immediately stir in the white chocolate chips and vanilla extract until the chocolate is completely melted and the mixture is smooth.
- Pour half of the fudge mixture into the prepared pan. Dollop spoonfuls of the pistachio paste over the fudge. Pour the remaining fudge mixture over the pistachio dollops. Use a knife or skewer to gently swirl the pistachio paste into the fudge, creating a marbled effect. Avoid over-swirling.
- Sprinkle reserved chopped pistachios over the top. Gently press the pistachios into the surface of the fudge.
- Refrigerate the fudge for at least 3 hours, or preferably overnight, until firm.
- Once set, lift the fudge out of the pan using the parchment paper overhang. Cut into squares and serve.