Ingredients
1 cup pure icing sugar
½ cup shelled pistachios
3 (⅓ cup) eggwhites
⅓ cup caster sugar
3-4 drops green food colouring
Icing
2½ cups pure icing sugar, sifted
1-2 tbsp milk
3-4 drops rose pink food colouring
Method
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Preheat oven to 100°C. Line three oven trays with baking paper. Process icing sugar and pistachios in a food processor. Sift into a large bowl. Process any large pistachio pieces again and return to bowl.
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Beat eggwhites in the small bowl of an electric mixer for 1 minute until white but not thick. Gradually add caster sugar and beat for 2 minutes, until the consistency of yoghurt. Add to dry ingredients and gently stir in green food colouring. Do not whip or the mixture will lose volume.
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Fit a large piping bag with a 1cm plain tube and fill with mixture. Pipe 3cm rounds onto trays, leaving 3cm between each one. Bake for 15-18 minutes or until smooth and crisp on top but still soft underneath. Cool completely on trays.
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To make icing, sift icing sugar into a bowl. Gradually stir in enough milk to make a smooth, stiff icing. Tint with pink food colouring. Sandwich macarons together with icing.
