Ingredients
3 tablespoons Dijon Mustard
1 teaspoon white-wine vinegar
1/2 treaspoon salt
1/2 teaspoon pepper
6 (5oz.) skinless boneless chicken breast halves
1 1/2 English muffins (not sandwich - size)
3/4 cup finely grated Parmigiano-Reggiano (1 1/2 oz)
1 tablespoon unsalted butter, melted
Special equipment parchment paper
Preparation
Preheat oven to 450 degrees and line a baking sheet with Parchment
Whisk together mustard, vinegar, salt, and 1/4 teaspoon pepper in a large bowl and add chicken breasts, tossing to coat well.
Pulse English muffins in a food processor until finely ground. Add cheese, butter, and remaining 1/4 teaspoon pepper and pulse until combined well. Transfer to a shallow soup plate or pie plate.
Dredge chicken, 1 piece at a time, in crumbs, coating completely and pressing gently to help crumbs adhere, then transfer to baking sheet. Bake in middle of oven until golden brown and cooked through, 15 to 20 minutes.