1. Add all the ingredients except for the chicken in a small bowl and mix to combine.  Remove 1/4 cup of the mixture and set it aside.  Add chicken to the bowl and toss to coat.  Let sit for 20-30 minutes.

For the Grill:

1. Heat grill on medium heat (between 325-350 degrees F) and add chicken.  Grill 7 minutes on each side or until the chicken reaches 165 degrees F.
2. Serve with the reserved mustard glaze

For the Oven:

1. Preheat the oven on 425 degrees F.  Line a baking sheet with parchment paper.  Add chicken to a baking sheet and bake for 20 minutes, flipping chicken after 12 minutes or until the internal chicken temperature reaches 165bdegrees F.
2. Serve with the reserved mustard glaze