Saucy Cocktail Meat Balls
["1 lb. ground beef", "2 Tbsp. bread crumbs", "1 egg, slightly beaten", "1 tsp. salt", "1/3 c. onion, finely chopped", "2 Tbsp. butter or oleo", "1/3 c. green peppers, finely chopped", "1 can tomato soup", "2 Tbsp. brown sugar", "4 tsp. Worcestershire sauce", "1 Tbsp. prepared mustard", "1 Tbsp. vinegar"]
["Mix beef, crumbs, egg and salt.", "Shape into 50 meat balls. Place in a shallow baking pan (13 x 9 x 2-inch).", "Broil until brown; turn once.", "Spoon off fat."]
["ground beef", "bread crumbs", "egg", "salt", "onion", "butter", "green peppers", "tomato soup", "brown sugar", "Worcestershire sauce", "mustard", "vinegar"]