Beef with chuck

2 pound grnd chuck 1 lg. onion , minced 3 lg. potatoes , diced 2 boxes frzn mixed vegetables (or possibly 1 lg. bag) 2 #2 cans tomato sauce 1 can tomatoes 3[...]

3 1/2 lb Pot roast (or possibly chuck) 1 lrg Onion , minced 3 lrg Carrots , peeled and sliced 16 ounce Can diced tomatoes , with their juice I prefer to brown[...]