Easy Beef Pot Pie
["3 lb. roast, cubed", "1 medium onion, diced", "1 can beef broth", "1 can cream of mushroom soup", "3 Tbsp. flour", "4 c. milk", "1 stick margarine, melted", "2 c. Bisquick", "pepper to taste", "1 Tbsp. vinegar", "1 (16 oz.) pkg. frozen mixed vegetables"]
["Place beef, beef broth, vinegar and onion into a crock-pot. Cook until tender.", "Separate meat from juice.", "Place meat into 9 x 13-inch baking pan.", "Mix in vegetables with the meat.", "Pour juice into saucepan and bring to a boil.", "Put flour and 2 cups milk into jar and shake until well blended.", "Add mix to beef juice and stir until it returns to a boil, then add mushroom soup and stir until well blended."]
["onion", "beef broth", "cream of mushroom soup", "flour", "milk", "margarine", "Bisquick", "pepper", "vinegar", "frozen mixed vegetables"]