Au Gratin Potatoes
["5 Tbsp. butter, divided", "1/4 c. flour", "1 tsp. salt", "1/8 tsp. pepper", "2 c. milk", "1 1/2 c. cheese, shredded", "4 c. cooked potatoes, diced", "1/2 c. dry bread crumbs"]
["Melt 3 Tbsp. butter; blend in flour, salt and pepper.", "Stir in milk.", "Cook until thick, stirring constantly.", "Remove from heat; stir in cheese.", "Layer 1/2 of potatoes and 1/2 of cheese sauce in 2 quart casserole.", "Repeat.", "Melt 2 Tbsp. butter; stir in bread crumbs and sprinkle over top.", "Bake 40 minutes at 350\u00b0."]
["butter", "flour", "salt", "pepper", "milk", "cheese", "potatoes", "bread crumbs"]