Burnt grain dumplings, wild leeks and sheep’s curd

By Pam Brunton From Saturday Kitchen Ingredients 4 small brown onions, unpeeled 2 whole wild leeks, roots intact 150g/5½oz sourdough breadcrumbs 55g/2oz unsalted butter 1 garlic clove 100g/3½oz fresh sheep’s curd cheese or ricotta 1 lemon, zest only 100g/3½oz hard sheep’s cheese, finely grated 1 tsp nigella seeds …