In a bowl mix flour, ... hour. Meanwhile, fry ground beef with onion and drain. Add ... golden brown. Reopen shell and fill with cheese, lettuce and tomatoes. Top with taco sauce and sour cream, if desired.
Bake potatoes until tender. Cut ... leaving a thin shell. (Refrigerate pulp for another ... 375°F. Meanwhile, cook beef in a skillet; drain off fat. Add tomatoes and taco seasoning. Bring to a boil; ... sour cream and onions.