01 -
Preheat the oven to 375°F (190°C). Spray a 9×13 (or smaller) baking dish with nonstick cooking spray and set aside.
02 -
Pound the chicken breasts to an even thickness of about ½ to ¾ inch. Season the chicken breasts with salt and pepper.
03 -
Add 2 tablespoons of olive oil to a large skillet and heat over medium-high heat. Add the chicken breasts and cook on both sides until golden brown, about 2 minutes on each side. Remove chicken from skillet and set aside.
04 -
In a small bowl, whisk together the remaining 3 tablespoons of olive oil, Dijon mustard, yellow mustard, honey, and garlic powder.
05 -
Pour half of the honey mustard sauce into the bottom of the prepared baking dish. Place the chicken breasts on top of the sauce, then pour the remaining sauce over the chicken.
06 -
Top each chicken breast with one sliced tablespoon of salted butter.
07 -
Bake in the preheated oven for 20-25 minutes, or until the internal temperature of the chicken reaches 165°F (75°C). Cooking time will vary depending on the size of the chicken breasts and how well they were seared.
08 -
Garnish with chopped parsley, if desired.