Swedish Meatballs
["1 lb. ground beef", "1 Tbsp. grated onion", "2 eggs", "1 Tbsp. cornstarch", "1 tsp. salt", "1/2 tsp. pepper", "2 Tbsp. mustard", "1/2 c. milk", "2 Tbsp. flour", "1 Tbsp. catsup", "2 c. milk"]
["Combine meat with onion, eggs, cornstarch, salt and pepper, 1 tablespoon mustard and 1/2 cup milk. Shape into balls and brown. Place in casserole. Add remaining ingredients to skillet. Heat until thickened. Pour over meatballs. Bake, covered, at 325\u00b0 for 1 hour. Yields 6 servings."]
["ground beef", "onion", "eggs", "cornstarch", "salt", "pepper", "mustard", "milk", "flour", "catsup", "milk"]