5 leaves of Calvo de nero- sliced 1cm. You can use swiss chard. 400g tin of Haricot beans 1 onion finely chpped 2 tbsp butter 4 rashers streaky bacon chopped 1 litre vegetable stock 4 slices of french stick bread- toasted 2 garlic cloves peeled 50g parmesan grated extra virgin olive oil.
Melt the butter in a large pan, add the bacon and saute gently until softened and the bacon is lightly browned. Add the calvo de nero and cook for 3 minutes.Add the stock and beans. Season and simmer for 15 minutes. While this is cooking rub the toasted bread with the garlic cloves and place a slice in the bottom of each serving bowl, top with the parmesan. When the soup is ready ladle over the bread and add a swirl of extra virgin olive oil.Serve.