Preheat the oven to 350 degrees F (175 degrees C). Spray an 11x7-inch baking dish with cooking spray.
Slice a pocket lengthwise, horizontal to the cutting board, in each breast, leaving the tips intact and not slicing all the way through. The larger end of the breast should be a sort of cupped shape. Gently open each pocket, pointing the cut edge up, and leaving them on the cutting board. Lightly season with salt and pepper.
Place 1 slice provolone cheese on each chicken breast. Layer 1 slice prosciutto over cheese, lightly folding it so it does not hang over the edge of the chicken. Spoon 2 tablespoons pesto over each chicken breast and top with tomato pieces. Sprinkle seasoned bread crumbs over chicken. Arrange chicken in a single layer in the prepared baking dish, stuffing-side up.
Bake in the preheated oven until chicken is no longer pink in the center and the juices run clear, 30 to 40 minutes. An instant-read thermometer inserted into the center should read at least 165 degrees F (74 degrees C).
Nutritional Facts
Per 4 servings
Calories: 425
Carbohydrate: 7g
Fat: 27g
Fiber: 2g
Protein: 38g
Sugar: 0g
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