Step 1: Prepare the Chicken - Preheat your oven to 400°F (200°C). Cut the chicken breasts into bite-sized pieces.
Step 2: Marinate in Buttermilk - In a bowl, mix buttermilk with salt and pepper. Add chicken pieces and marinate for at least 30 minutes.
Step 3: Prepare the Breading Station - Set up bowls for flour, the breadcrumb mixture, and beaten eggs.
Step 4: Bread the Chicken - Coat chicken pieces in flour, dip in eggs, then roll in the breadcrumb mixture.
Step 5: Arrange and Bake - Line a baking sheet with parchment paper and arrange the breaded nuggets. Drizzle with melted butter.
Step 6: Bake to Perfection - Bake for 15-20 minutes until golden brown and cooked through. Flip halfway for even browning.
Step 7: Serve and Enjoy - Let cool slightly before serving with your favorite dipping sauces.