Basic Beef Tacos 1

1 lb. ground beef 
3 ounces taco seasoning mix 
4 taco shells 
3/4 cup water 
1 cup shredded lettuce 
1 cup shredded cheddar cheese 
1 cup tomatoes, diced 
1 cup taco sauce
Sauté ground beef in a heavy nonstick skillet over medium high heat 7-8 minutes, 
breaking up meat, until browned and cooked throughout. 
Stir in seasoning and water and divide into taco shells. 
Top with lettuce, cheese and tomatoes. 
Serve with taco sauce.