Prosciutto Wrapped Asparagus Stuffed Chicken

Ingredients:

2 skinless, boneless chicken-breast halves (6 oz. each)
1 teaspoon Dijon mustard
½ cup shredded mozzarella cheese, divided
6 asparagus spears, trimmed
2 slices prosciutto
4 thin lemon slices
salt and black pepper, to taste
olive oil

Directions: