Gnocchi Roulade Stuffed with Broccoli and Mozzarella

I recently went hack to Lerici, in Northern Italy, for the first time since I was about twelve. Surprisingly, it seemed to have changed very little; there were more white villas creeping up the hills overlooking the sea, but there was still the rather polite, old-fashioned atmosphere which I remembered. One thing I couldn’t find was a little restaurant where I first tasted semolina gnocchi. Golden, light and cheesy, I found these irresistible, and I still do. In this recipe, the gnocchi mix