01 - Bring a large pot of salted water to a boil. Cook the pasta according to package instructions until al dente. Reserve 1/2 cup of pasta water, then drain and set aside.
02 - Season the chicken pieces evenly with salt and black pepper.
03 - In a large skillet, heat olive oil over medium-high heat. Add the seasoned chicken and cook for 5–7 minutes, stirring occasionally, until golden brown and cooked through. Remove chicken and set aside.
04 - In the same skillet, reduce heat to medium. Add minced garlic and sauté for 30 seconds until fragrant, being careful not to burn.
05 - Pour in the heavy cream and bring to a simmer. Cook for 2 minutes, then stir in the pesto and Parmesan cheese until smooth and fully combined.
06 - Return the cooked chicken to the skillet. Add the drained pasta and toss everything together, adding a splash of reserved pasta water if needed to achieve desired sauce consistency. Serve immediately, garnished with fresh basil and extra Parmesan.