bring water to a boil, add salt and add the box of rigatoni. cook according to box.

in a pan saute oil over medium heat. Add crushed red pepper, salt, black pepper and garlic until garlic is caramelized and red peppers flavors have released.

drain the canned chicken, shred it between you fingers and add to the pan. let simmer long enough to get everything combined together.

add marinara and Alfredo sauces and bring to a simmer. cook until sauce thickens slightly. turn off flame and add the butter and peas.

drain pasta and add to your sauce. mix together, serve with red pepper and cheese as garnish.