Preheat your oven to 375°F (190°C).
Season the thinly sliced chicken breasts with salt and pepper.
Mix minced garlic into the yellow mustard.
Generously coat each piece of chicken with the garlic-infused yellow mustard. Ensure an even coating.
In a small bowl, mix together the dried thyme, rosemary, oregano, garlic powder, onion powder, and paprika to create the herb seasoning.
Sprinkle the herb seasoning over the mustard-coated chicken, covering each piece evenly.
Place the chicken on a baking dish or a lined baking sheet. If you like, you can drizzle a bit of olive oil over the chicken for added richness.
Bake in the preheated oven for approximately 15-20 minutes, or until the chicken reaches an internal temperature of 165°F (74°C). Keep an eye on it, as thinly sliced chicken cooks faster.
If you want a bit of browning on top, you can broil the chicken for an additional 2-3 minutes at the end.
Once done, let the chicken rest for a few minutes before serving.