h200 ml water, lukewarm15 g fresh yeast or 2 tsp dry yeastall the biga500 g all purpose flour25 g extra-virgin olive oil2 large eggs50 g sugar12 g salt50 g butter150 g raisins- Dissolve the yeast in the water.- Add all the ingredients, except the butter and raisins, into the bowl of an electric mixer.- Work the dough with the hook attachment until it is smooth and does not stick to the mixer bowl.