Hamburger Pie
["1 lb. ground meat, browned and drained", "1/4 c. chopped onion", "1 (16 oz.) can green beans, drained or 2 c. fresh or frozen beans", "1 tsp. salt", "1 Tbsp. sugar", "1/4 tsp. pepper", "1/8 tsp. oregano", "1 (10 oz.) can tomato soup", "5 medium potatoes, cooked", "1/2 c. warm milk", "1 egg, beaten"]
["Mash potatoes while hot.", "Add milk and beat in egg, salt and pepper.", "Pour meat mixture into 1 1/2-quart casserole.", "Top with potato topper.", "Bake at 350\u00b0 for 25 to 30 minutes."]
["ground meat", "onion", "green beans", "salt", "sugar", "pepper", "oregano", "tomato soup", "potatoes", "warm milk", "egg"]