Fasolada, is sometimes called the National food of the Greeks.
Fasolada (White Bean) Greek Soup Recipe Ingredients:

1 lb. white beans
1 cup canned or fresh tomatoes
1/2 cup tops, chopped celery
2 finely chopped onion
2 tablespoons chopped, fresh parsley
3 small, diced carrots
1/2 cup olive oil
1 1/2 teaspoon salt
1/4 teaspoon pepper, or to taste
3 tablespoons fresh chopped herbs, such as parsley or chives

How to Prepare Fasolada Greek (White Bean) Soup:

Wash the beans well and let them soak in a medium bowl filled with water.
In the morning drain off the water and put in a saucepan with 8 cups of cold water.
Bring to a boil on medium-high heat, reduce heat and allow to simmer for 1 hour on low heat.
Add remaining ingredients and cook gently for about an hour 
or until the beans and vegetables are tender. 
Garnish with fresh chopped herbs, if desired.