Glace au macadamia

• 2½ ounces (70 g) unsalted macadamia nuts, more if desired
• 2 cups (

Toast the macadamia nuts in a 350°F (180°C) oven for 8 to 10 minutes, or until they are lightly browned. Remove them to room temperature to cool.

Place the milk with the vanilla bean or extract in a heavy-bottomed medium-sized saucepan, and bring it barely to a simmer. Meanwhile, gradually whisk the ½ cup