Puff pastry is magic, and like most magic, there are a few rules to remember to make it look like sleight of hand. (Use the thumbprint method described - it really works.)
Melt 50g (1¾oz) of butter and allow to cool. Leave remaining butter out to soften. Sift flour and salt together in a large bowl, and make a hole in the centre. Add water, lemon juice and cooled, me