How to Make It
Put the oil and garlic in a saucepan. Cook over moderate heat, stirring, until the garlic is a pale gold. Add the beans and a pinch of salt and pepper. Cover and cook gently for 5 minutes.
Transfer 1/2 cup of the beans to a food mill, add the broth and puree back into the pan. Simmer the soup for 5 minutes, then season with salt and pepper. swirl in the parsley. Ladle the soup over the toasted bread and serve.