"Really delicious butter shortbread biscuits!..."
INGREDIENTS
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130 gr all-purpose-flour (1 cup)
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115 gr (1 cup) cornstarch / cornflour
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1/4 tsp salt
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30 gr icing sugar ( 1/4 cup)
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225 g butter (1 cup = 2 sticks) at room temperature
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1 1/2 teaspoons vanilla extract