Potato Leek Cheese Soup - cooking recipe

Ingredients

2 tablespoons oil
2 cups leeks, white and green tender parts diced
1 cup celery, diced
1 lb potato, peeled and diced
4 cups water
1 cup milk
1 cup cream
1/2 cup parmesan cheese
1 tablespoon flour
salt and pepper

Preparation

In a dutch oven or soup pot, add oil and cook leeks and celery for 5 minutes.
Sprinkle with flour and cook for 5 more minutes
Add potatoes and water; bring to boil.
Reduce heat, cook for 15 mins then stir in milk and cream, salt and pepper.
Simmer 10 more minutes.
Just before serving, add cheese and cook 1 min more.