Escalloped Potatoes
["4 large potatoes or 2 lb.", "1/2 lb. wieners", "1/2 c. diced celery", "2 Tbsp. margarine", "1/2 c. diced onion", "2 1/2 Tbsp. flour", "1 tsp. mustard", "1/2 tsp. salt", "2 c. milk"]
["Slice potatoes.", "Cut wieners into 1/2-inch slices.", "Arrange in layers of potatoes, wieners, celery and onion in a baking dish. Melt margarine.", "Blend in flour, mustard and salt. Cook until sauce boils, stirring constantly.", "Pour over potatoes.", "Bake at 350\u00b0 for 45 minutes until potatoes are tender."]
["potatoes", "wieners", "celery", "margarine", "onion", "flour", "mustard", "salt", "milk"]