1.
Preheat oven to 375º. Place peppers on baking sheet and roast in oven, turning occasionally for 30 minutes or until soft and evenly blistered.
2.
Carefully transfer hot peppers to paper bag and fold top to close. Let stand 10 minutes. Remove peppers from bag, peel, stem, and seed. Cut each into several pieces.
3.
In food processor or blender, combine peppers, garlic, and olive oil. Process until pureed. Season to taste with salt and pepper. Pour sauce over hot rigatoni and toss to combine. Scatter basil over top and sprinkle with Parmesan.