Make this recipe a recipe that people in that category can eat. categories: ['vegetarian'], 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.

Target recipe: peel, cube, boil, drain and "mush" potatoes to the consistency you like (i like them lumpy, but my kids like smaller pieces). in separate pan, melt butter, add flour and cook while stirring for about a minute or so. add half the milk and stir until lumps are out of flour mixture. add remaining milk and on med-high heat, heat to a boil. stir almost constantly or it will scorch. after boiling, turn heat off and add remaining ingredients.