The recipe of the Day: Soup Parmentiers

Ingredients…
600gr. potatoes cut into cubes
2 tbsp. butter or ½ cup. olive oil
1 large onion, finely chopped
½ Leek, finely chopped (optional)
2 level tbsp. flour
1½ quarts water or broth
1 tbsp. fresh butter
Read more of the recipe here: Recipes from the Cooklos