01 - Preheat oven to 400°F. Lightly grease a baking dish or line with parchment paper.
02 - Pat chicken thighs dry with paper towels. Season both sides generously with salt and pepper.
03 - In a mixing bowl, combine panko breadcrumbs, Parmesan cheese, chopped parsley, rosemary, thyme, minced garlic, olive oil, salt, and pepper. Mix until evenly combined.
04 - Press the herb crust mixture firmly onto the skin side of each chicken thigh, creating an even, cohesive layer.
05 - Place the coated chicken thighs in the prepared baking dish, skin side up, spacing them evenly apart.
06 - Bake for 30 to 35 minutes until the crust is deep golden brown and the internal temperature reaches 165°F at the thickest part.
07 - While the chicken bakes, melt butter in a saucepan over medium heat. Add minced garlic and sauté until fragrant, about 1 minute.
08 - Pour in chicken broth and bring to a simmer, reducing by half. Stir in heavy cream, Dijon mustard, and Parmesan cheese. Simmer for 3 to 4 minutes until slightly thickened. Season with salt and pepper to taste.
09 - Transfer baked chicken thighs to a serving platter. Spoon the creamy garlic sauce over and around the chicken. Garnish with fresh herbs and lemon wedges if desired. Serve immediately.