Make this recipe a recipe that people in that category can eat. categories: ['low_fat'], recipe: cook onion and celery in butter til tender, not brown. add water, potatoes and eggs, in shell and washed, and cook until potatoes are tender (about 10-12 minutes). peel and chop eggs. put back in with potates. add evaporated milk, salt, pepper. put little bit of butter on top of soup in bowl.

Target recipe: combine first 3 ingredients in a heavy saucepan over low heat. cover and simmer 8-10 minutes, stirring frequently, until water evaporates and onion is tender. stir in celery and thyme and cook 2 minutes. add stock and potatoes. increase heat to high and bring to a boil. reduce heat to medium low, cover and simmer about 25 minutes, or until potatoes are tender. purée potato mixture in a food processor or blender in batches, if necessary. return purée to same pot. stir in milk and simmer over low heat until heated through. season with salt and pepper to taste. serve soup sprinkled with green onions.