Place chicken breasts in a pan. Cover with buttermilk.
Sprinkle chicken breasts with salt and pepper. Cover and refrigerate for 4 hours.
Preheat oven to 375 degrees Fahrenheit.
Remove chicken from refrigerator and cut into 1/2" slices (11 slices per chicken breast). Cut slices in half to make tenders.
Place flour, chopped pecans, salt and pepper and blackened seasoning in a bowl. Mix to combine. Pour flour mixture in blender or food processor. Blend/process until pecans are incorporated into flour mixture.
Make egg wash with 1 egg and 1 tablespoon water. Place egg wash in a shallow bowl. Place flour mixture in a shallow bowl.
Dip chicken tenders in egg wash, then roll in flour mixture.
Place chicken tenders on a baking sheet lined with parchment paper.
Bake chicken tenders for 10 minutes, remove from oven and turn tenders over with a spatula. Bake 7 more minutes. Remove from oven and allow to cool.
Place tenders on a serving plate. Cover with plastic wrap and refrigerate until ready to serve.
Serve tenders drizzled with AR's Southern Hot Honey.