For someone who has had just three hours’ sleep, Sharon Hearne Smith is rocking an immaculate beehive.“I am getting more used to doing it with children at my feet as well,” laughs the mother of two, as she monitors a batch of banana, raspberry and pecan breakfast muffins in the oven, spoons a ricotta, mascarpone and parmesan mix into mini pastry cases, and somehow also manages to give her nails a quick lick of polish for Irish Country Living’s shoot in her home to coincide with the launch of her No Cook Cookbook.