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The perfect Christmas gift for you or a loved one
Lightly butter a 1-litre microwavable gratin dish or a 20cm microwave cake dish. Beat together the butter, sugar, flour, eggs and milk with an electric hand whisk for 2-3 mins, until light and fluffy.
Fold through the white chocolate and most of the berries, pour into the dish, then microwave on High for 10-12 mins, until set and dry on top. Leave to stand for 5 mins, before dusting with icing sugar and serving with the reserved berries and custard.