Beef with meat

1 lb ground beef 1 onion , chopped 2 garlic cloves , minced 16 ounces cheddar cheese pasta sauce 1 tablespoon mustard 3 tomatoes , chopped 1 teaspoon dried[...]

2 tablespoons flour 1/2 teaspoon garlic salt 1/2 lb sliced beef liver , cut into 1-inch pieces 1 tablespoon oil 1 (8 ounce) can tomato sauce 1 green pepper ,[...]