Caldo Verde (Portuguese Green Soup)

In a large saucepan over medium heat cook onion and garlic in 3 tablespoons olive oil for 3 minutes. Stir in potatoes and cook stirring constantly 3 minutes more. Pour in water bring to a boil and let boil gently for 20 minutes until potatoes are mushy.

Meanwhile in a large skillet over medium-low heat cook sausage until it has released most of its fat 10 minutes. Drain.

Mash potatoes or puree the potato mixture with a blender or food processor. Stir the sausage salt and pepper into the soup and return to medium heat. Cover and simmer 5 minutes.

Just before serving stir kale into soup and simmer 5 minutes until kale is tender and jade green. Stir in the remaining tablespoon of olive oil and serve at once.