You know how it is when you really hope that one act will precipitate another. The people at the bus stop who jokingly light up exclaiming "well, the bus'll definitely be along now." Going to brush your teeth because then the phone call you've been waiting for will come through just as your mouth fills with lathered up toothpaste.
In the same vein she really hoped that if she made the pastry the meat delivery man would arrive. Still wearing her (mis-matched) pyjamas, flour and butter covered hands. It had to work, didn't it?