Cook pasta according to package instructions making sure to reserve 1 tbsp of the pasta water.
Season both sides of the chicken breasts with Italian seasoning, salt, and pepper.
Heat a skillet over medium heat. Drizzle with oil. Cook the chicken breasts until it is cooked through. Chicken is fully cooked when the internal temperate is 165℉. Once cooked, set chicken aside.
Add butter to the same skillet. Once melted, add garlic. Cook until garlic is fragrant - avoid browning or burning garlic.
Add the white wine. Scrape the bottom of the pan to incorporate all the flavors left from cooking the chicken.
Add the half & half and reserved pasta water. Bring to a boil. Season with salt & pepper.
Add cooked spaghetti noodles to the sauce. Toss to coat. Add parmesan cheese. Toss to coat again.
Top with sliced, cooked chicken. Serve and enjoy!