Juno, a popular bakery, makes some of the best rustic breads in the city. The baker and pastry chef, Emil Glazer, is an ex-Noma chef and has kindly shared this recipe. You will need to cultivate the sourdough starter, which you can buy online or in healthfood stores.
125gsourdough starter (buy online)
175gsifted strong bread flour, plus extra for dusting