Pistachio Macarons with Pistachio Ganache

Pistachio Ganache

• 50 g pistachio nuts, unsalted, shelled
• 140 g white chocolate, small pieces or callets
• 70 g double cream
• 70 g unsalted butter, diced
• 2 drops natural almond extract

Pistachio Macarons

• 80 g blanched almonds (see tip)
• 100 g icing sugar (see tips)
  或 100 g icing sugar (see tips)
• vinegar, for degreasing mixing bowl
• 100 g egg white (see tip)
• 100 g caster sugar
• food colouring, green, as desired (see tip)
• food colouring, yellow, as desired (see tip)