1Heat oven to 350°F. Lightly spray bottom of 12-inch cast-iron skillet with cooking spray.
2In stockpot or Dutch oven, cook pasta to al dente as directed on package.
3In large bowl, stir together both sauces and 1 cup of the cheese. Add cooked pasta; stir gently to combine. Pour into skillet.
4Bake 25 minutes. Sprinkle remaining cup of cheese over top; bake 5 to 7 minutes longer or until cheese is bubbly. Serve immediately.