Bring a large pot of lightly salted water to a boil. Add pasta and cook for 8 to 10 minutes; drain.

Spray cooking oil in a large skillet and saute red bell peppers, garlic and chili powder over medium heat for 3 to 5 minutes.

Stir in sour cream and broth; simmer uncovered for 5 minutes.

Remove from heat and stir in cheese.

Toss hot pasta with sauce and season with plenty of salt and pepper