To prepare Pretzel Chicken with Mustard-Cheddar Sauce, follow these easy steps:

1. Preheat Oven: Preheat your oven to 400°F (200°C). Line a baking sheet with parchment paper for easy cleanup.
2. Prepare the Chicken: Season the chicken breasts with garlic powder, paprika, salt, and black pepper. This will enhance the flavor of the chicken before breading.
3. Create Breading Stations: In one bowl, place the flour. In a second bowl, beat the eggs. In a third bowl, combine the pretzel crumbs.
4. Bread the Chicken: Dredge each chicken breast first in the flour, coating it evenly. Next, dip the chicken in the beaten eggs, allowing any excess to drip off, then coat it in the pretzel crumbs, pressing gently to ensure the crumbs adhere well.
5. Bake the Chicken: Place the breaded chicken breasts on the prepared baking sheet and lightly spray with olive oil. Bake for 25-30 minutes, or until the chicken is cooked through and the crust is golden brown and crispy.
6. Prepare the Mustard-Cheddar Sauce: While the chicken is baking, combine the mustard and shredded cheddar cheese in a small saucepan over low heat. Stir until the cheese is melted and the sauce is smooth. You can add a splash of milk for a creamier texture, if desired.
7. Serve: Once the chicken is cooked, remove it from the oven and allow it to rest for a few minutes. Drizzle or serve the warm mustard-cheddar sauce over the chicken, and garnish with fresh parsley if using.