Season the chicken breasts with salt and pepper.
In a large skillet, melt 2 tablespoons of butter over medium heat.
Add the chicken breasts to the skillet and cook until golden brown on both sides.
Remove the chicken from the skillet and set aside.
In the same skillet, add garlic and thyme, stirring for about 1 minute.
Pour in the chicken broth and bring to a simmer.
Return the chicken to the skillet, cover, and cook until thoroughly cooked.
Meanwhile, cook the egg noodles according to package instructions.
Add the remaining butter to the skillet with the chicken and broth.
Drain the noodles and toss them in the skillet with the chicken and sauce.
Serve hot, topped with grated Parmesan cheese.