Preheat oven to 375. Spray a baking dish with cooking spray and set aside.

Place chicken breast halves in a bowl and cover with buttermilk. Let marinate for 1/2 an hour or overnight covered in the fridge.

Line a baking sheet with aluminum foil and place pecans on baking sheet and toast (bake for 5 minutes or until fragrant and starting to brown)

In a food processor process the pecans and panko breadcrumbs, then place mixture in a shallow bowl.

One at time take chicken breast strips and dredge through the pecan and panko mixture and make sure the chicken is coated. Place in the baking dish. Repeat with all chicken breast pieces.

Bake for 15 minutes, remove from oven, flip the chicken breasts and bake for another 10 minutes. Remove from oven and enjoy!