Preheat your oven to 400°F (200°C) and line a baking sheet with parchment paper.
Slice the chicken breast into bite-sized pieces ensuring even thickness for uniform baking.
In a small bowl, whisk the egg white. In another plate, spread the panko breadcrumbs seasoned lightly with salt and pepper.
Dip each chicken piece into the egg white, then coat thoroughly in the panko breadcrumbs.
Place the breaded chicken pieces on the prepared baking sheet and bake for 18-20 minutes, turning halfway through, until they are cooked through and golden brown.
While the chicken bakes, prepare the sticky orange sauce. In a small saucepan over medium heat, combine the fresh orange juice, orange zest, minced garlic, minced ginger, and honey.
Mix the cornstarch with a small splash of water to create a slurry, then add it to the saucepan. Stir continuously until the sauce thickens slightly, about 3-4 minutes.
Once the chicken is crispy and cooked, remove from the oven and drizzle the warm sticky orange sauce over the pieces.
Serve immediately and enjoy your flavorful, protein-packed meal.