Orange Glazed Chicken

4 boneless, skinless chicken breast halves
1/4 cup orange marmalade, divided
1 envelope Shake N Bake Crispy Original Coating
1/4 cup Zesty Italian dressing
6 cups baby spinach leaves
1 medium orange, cut into thin slices

Preheat oven to 400F. Spread chicken with 2 tbsp of the marmalade. Empty coating mix into shallow dish. Add chicken, turn to evenly coat both sides. Place chicken in 13x9" baking dish. Bake 25 minutes until chicken is cooked through. Mix dressing with remaining 2 tbsp marmalade. Add to spinach; toss to coat. Place evenly on 4 serving plates. Place 1 chicken breast, sliced on top of each plate and add orange slices.