Wiener And Potato Casserole
["3 Tbsp. butter", "3 Tbsp. flour", "3 Tbsp. chopped onion", "1/2 tsp. dry mustard", "1/2 tsp. salt", "1 c. milk", "1 c. evaporated milk", "1/4 c. Parmesan cheese", "1 Tbsp. parsley flakes", "5 c. potatoes", "1 lb. wieners"]
["Melt butter and mix in next 4 ingredients.", "Add both milks. Bring to boil and boil for 1 minute or until thick.", "Stir in Parmesan cheese and parsley flakes.", "Boil potatoes and cut in cubes; place in casserole dish.", "Cut up wieners and add to potatoes; mix in sauce.", "Bake at 350\u00b0 for 45 minutes."]
["butter", "flour", "onion", "dry mustard", "salt", "milk", "milk", "Parmesan cheese", "parsley flakes", "potatoes", "wieners"]