Portuguese Kale Soup (Couvres) - cooking recipe

Ingredients

1 c. pea beans
1 large onion, sliced
1 lb. chourico (sausage), sliced
1 lb. kale, cut
1 Tbsp. vinegar
2 c. sliced potatoes
salt and pepper to taste

Preparation

Soak beans overnight in cold water.
Drain in the morning. Add onion, sausage, kale, salt, vinegar and 9 cups water.
Bring to a boil, reduce heat and simmer 2 1/2 hours.
Add potatoes and 1 cup water.
Cook until potatoes are tender.