Zesty Roasted Chicken and Potatoes

6 boneless chicken breast halves
1-lb. small red potatoes cut into quarters
1/3 cup mayonnaise
3 Tbsp Dijon mustard
1/2 tsp. pepper
2 cloves garlic, crushed
Chopped fresh chives (optional)

Heat oven to 350 degrees. Grease a 15-1/2x10-1/2x1-inch jellyroll pan.

Place chicken and potatoes in pan.

Mix mayonnaise, mustard, pepper, garlic and chives. Brush over chicken and potatoes.

Bake uncovered 30-35 minutes or until potatoes are tender and juices run clear when centers of thickest pieces are cut. Sprinkle with chives and serve.