Heat the olive oil in a large skillet over medium heat.
Season the chicken with salt and pepper, and add to the skillet. Cook for about 5 minutes per side, or until cooked through.
Remove the chicken from the skillet and set aside.
Add the white wine, chicken broth, and Dijon mustard to the skillet. Simmer over medium heat for about 5 minutes, or until the sauce has reduced slightly.
Add the butter to the skillet and stir until it is melted and the sauce is creamy.
Return the chicken to the skillet and spoon the sauce over the chicken. Cook for an additional 3 minutes.
Serve the chicken with the sauce spooned over the top.
Interesting Facts
Dijon mustard originated in Dijon, France and is made with white wine.
The French use Dijon mustard in many of their dishes, including chicken, beef, and pork dishes.
Dijon mustard has a creamy, tangy flavor that adds a zesty kick to any dish.