Lobio with Walnut!

Ingredients:

1 cupful beans
50 shelled walnuts
salt and pepper to taste
1 onion or 75 g green onions
  How to cook:
Wash and soak the beans in cold water for 3 or 4 hours.
Drain, add cold water t cover and cook until tender.
Add the chopped onion and bring to boiling point.
Add crushed walnuts to the beans.
Season with salt and pepper.
Mix with a wooden spoon.
Serve hot or cold sprinkled with chopped greens.