Cook beef in a large skillet along with the chili powder, garlic salt, salt and pepper, stirring frequently, until brown; drain.
Stir in water, tomatoes with juice & chiles.
Cook until mixture comes to a boil.
Add pasta; return to a boil.
Reduce heat to low, then cover.
Cook, stirring occasionally, for 14 to 16 minutes or until pasta is tender.
Stir in evaporated milk.
Remove from heat; stir in 1/4 cup cheese.
Sprinkle remaining cheese over top.
Cover; let stand for 5 to 10 minutes before serving.