Preheat oven to 350 degrees
In a mixing bowl, whisk together honey and mustard
Place pecans in food processer and pulse until the nuts are finely chopped
Pour chopped pecans in a large mixing bowl
Trim fat off chicken breasts
Remove any excess moisture from the chicken breasts with a paper towel
Coat chicken breast with mustard-honey mixture then place in the chopped pecan bowl
Coat the chicken breast with pecans
Place crusted chicken breasts in glass baking dish. Bake for 25 minutes or internal temp of 165 degrees