Mary Berry’s Viennese Whirls |  

Mary Berry’s Viennese Whirls recipe is featured as the technical challenge in the "Second" episode of The Great British Baking Show.
Original Recipe : www.pbs.org/fo...
I was so inspired by GBBO that I wanted to try all the technical challenge recipes.
GBBO S07E02 - Biscuits - Mary Berry’s Viennese Whirls
For The Jam
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Raspberries - 200 grams/ 7 oz
Sugar - 250 grams/ 9 oz
For The Biscuits
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Unsalted Butter - 250 grams/ 9 oz, very soft
Icing Sugar - 50 grams/ 1¾ oz
Plain Flour - 225 grams/ 8 oz
Cornflour - 25 grams/ 1 oz
For The Filling
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Unsalted Butter - 100 grams/ 3½ oz, softened
Icing Sugar - 200 grams/ 7 oz, plus extra for dusting
Vanilla Extract - ½ teaspoon