1 pound linguine pasta
2 large boneless, skinless chicken breasts (about 1½ pounds total)
2 tablespoons olive oil
1½ tablespoons Cajun seasoning, plus extra to taste
2 tablespoons unsalted butter
4 garlic cloves, minced
2 cups heavy whipping cream
8 ounces Velveeta cheese, cut into cubes
1 cup shredded mozzarella cheese
1/2 cup freshly grated Parmesan cheese
1/2 teaspoon smoked paprika
1/2 teaspoon freshly ground black pepper
1/2 teaspoon kosher salt, or to taste
2 tablespoons fresh parsley, chopped for garnish