Bring water to boil then cook pasta until al dente, then drain. While the pasta is cooking, in a large skillet, cook ground beef, onions, and peppers, if using. When fully cooked, wipe out pan with paper towel and place back on heat. 

Pour salsa, taco seasoning, chilis, and ½ cup water into 4-cup liquid measuring cup and stir until blended. Add to cooked beef and simmer. Add cooked, drained pasta to meat and top with cheese, cream, salt and pepper. Stir until cheese melts and noodles are coated in sauce. Serve immediately.

Optional Toppings  Sour cream, diced tomatoes, tortilla strips or chips.