Mock Shepherd'S Pie

Ingredients

• 1 medium onion, chopped
• 1 lb. ground beef
• 1 tsp. salt
• 1/4 tsp. pepper
• 1 can cut green beans
• 1 can tomato soup
• 5 medium potatoes, cooked
• 1/2 c. warm milk
• 1 egg, beaten
• paprika