Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: melt butter in saucepan over low heat. blend in flour, salt and pepper. add milk all at once. cook quickly, stirring constantly, till the mixture thickens and bubbles. remove sauce from heat when it bubbles. add potatoes to the sauce. heat through. season to taste.

Target recipe: peel and slice potatoes. chop onions and celery. saute these ingredients in 1 1/2 tablespooons of butter. add boiling water, enough to cover. add salt and bay leaf. boil the veggies until the potatoes are tender. remove bay leaf. put them through a ricer or blender. beat into the potato mixture 2 tablespoons butter. thin the soup with your choice of milk, cream or chicken stock. add salt and pepper to taste. add worcestershire sauce. stir and bring to near boil. serve garnished with parsley and chives.