Season chicken on both sides with cajun seasoning.
In a small bowl, add eggs and beat lightly. In another large bowl, add bread crumbs, flour and cajun seasoning. Whisk until combined. Coat your chicken breasts halves in bread crumb mixture, then egg, then back to bread crumb mixture. Repeat until all pieces of chicken is coated. Set aside and let rest for at least 10 minutes.
Cook pasta according to package instructions.
Heat 1 inch of oil in a skillet on medium-high heat. Once oil has reached a temp of 350 degrees, add each coated piece of chicken to hot oil. Cook each piece of chicken for 3-4 minutes on each side. Remove and let rest while you prepare sauce.
In another large skillet, melt butter over medium heat. Add bell peppers, onions and garlic, then sauté for 2 minutes. Add mushrooms and continue to cook for an additional 5 minutes, or until vegetables are tender. Stir in crushed red pepper flakes, Cajun seasoning and smoked paprika
Stir in flour. Continue to stir until you can no longer see the flour. Whisk in chicken broth and heavy cream. Once sauce starts simmer, reduce heat to low. Let simmer for 5 minutes.
Taste sauce and add more salt if needed. Stir in Parmesan cheese. Once parmesan has melted, add cooked pasta and optional basil. Toss until pasta is fully coated.
Serve pasta with fried chicken breasts. Garnish with extra parmesan cheese and parsley if desired.