Season the chicken with salt and pepper.
Whisk together the mustard, olive oil & garlic powder. Brush over the chicken and set aside.
Bake the pretzels according to the directions on the box, Reserve the salt packets.
Keep the oven warm at 350F. Line a baking sheet with parchment paper.
When the pretzels are cool enough to handle, cut into pieces and place in a food processor.
Pulse until they are broken down into crumbs.
Transfer to a bowl and knead in the milk and eggs.
Season lightly with freshly ground pepper.
Spread the mixture out on the baking sheet.
Sprinkle some of the salt from the salt packets over the top.
Place the chicken on top and bake for 45 minutes.
Remove from oven. Plate & serve.