1. Cook beef in 10-inch skillet until well browned (stir continuously). 

2. Pour off fat & return meat to skillet.

3. Stir in soup, salsa, water and tortillas (optional to add sour cream now also) & heat to a boil.

4. Reduce heat to low and cook for 5 min, continually stirring.

5. Top with cheese.

de-lish! :D