Gypsy eggs

Name: Gypsy eggs
Prep time: 30 min
Cook time: 30 min
Total time: 1 h
Cuisine: European, Mediterranean, Spanish
Ingredients: 110g/3½oz cooking chorizo, finely chopped; 2 banana shallots, finely chopped; 1 clove garlic, finely chopped; 2 tsp sherry vinegar; 300g/10½oz chunky passata; 15g/½ oz kale, stems removed, roughly chopped; 75g/2¾oz cooked cannellini beans (tinned is fine); 8 free-range eggs; 4 sourdough bread slices; olive oil, for drizzling; 100g/3½oz Parma ham; 20g/¾oz basil or wild garlic, finely chopped; handful freshly grated Parmesan; rock salt and freshly ground black pepper; sprig of basil, to serve