Stuffed Chicken 4 Ways

Name: Stuffed Chicken 4 Ways
Ingredients: 4 (8-oz.) boneless, skinless chicken breasts; 3/4 c. chopped green olives; 1/4 c. Toasted sliced almonds; 1 1/2 tbsp. Chopped fresh dill; 1 tbsp. lemon zest; 3 oz. grated mozzarella (about 3/4 c.); 20 pepperoni slices, chopped; 1 tbsp. chopped fresh oregano; 1/4 c. marinara sauce; 1 c. quartered cherry tomatoes; 2 oz. crumbled goat cheese (about 1/2 c.); 2 tbsp. toasted pine nuts; 2 tbsp. chopped fresh basil; 1 c. finely torn French bread; 1/2 c. chopped dried apricots; 2 tbsp. melted unsalted butter; 1 tbsp. whole-grain mustard