Ingredients
- 325g plain flour
- 200g chilled salted butter
- 125g/4½oz golden caster sugar
- 2 tsp good-quality vanilla extract
- 2 large free range egg yolks
Method
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Tip the flour into a food processor. Cut the butter into small pieces and drop them into the bowl, then whizz until the mixture looks like breadcrumbs.
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Add the sugar, vanilla and egg yolks and whizz to a small dough.
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Tip the dough onto a sheet of non-stick baking parchment and use the paper to roll the dough into a log shape, twisting the ends like a cracker. Chill for 3 hours or overnight.
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Heat oven to 180C/160C fan. Slice the log into 1cm-thick rounds and arrange on a baking sheet leaving gaps between them.
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Bake for 15-20 mins until golden. Leave to firm on baking sheet for 3-4 mins then transfer to a wire rack.