Potato Smoked Sausage Casserole
["4 medium potatoes, cooked and peeled", "1/2 lb. smoked sausage, thinly sliced", "1/4 c. chopped onion", "1/4 c. margarine", "1/4 c. plus 2 Tbsp. flour", "1/2 tsp. salt", "1/4 tsp. pepper", "1/4 tsp. thyme, crushed", "2 c. milk", "1 c. frozen (or canned) peas, rinsed and drained", "3 Tbsp. dry bread crumbs", "1 Tbsp. margarine, melted"]
["Pare and slice enough potatoes to equal 2 cups; set aside. Cook onion in 1/4 cup margarine until tender.", "Blend in flour and seasonings.", "Gradually add milk, stirring until smooth.", "Cook, stirring constantly, until mixture is slightly thickened.", "Place half of sausage in bottom of 2-quart ovenproof casserole.", "Add half of potatoes, half of peas and half of sauce.", "Repeat layers with remaining ingredients, ending with sauce.", "Combine crumbs and margarine; sprinkle over sauce.", "Bake at 350\u00b0 for 20 to 30 minutes or until crumbs are lightly browned.", "Makes 4 servings."]
["potatoes", "sausage", "onion", "margarine", "flour", "salt", "pepper", "thyme", "milk", "frozen", "bread crumbs", "margarine"]