Ingredients:

2 lbs. ground chicken
1 egg
1/4 cup plain bread crumbs
2 teaspoons minced onion
1 1/2 teaspoons garlic powder
1/2 teaspoon dried parsley
1 1/2 teaspoons salt
1/2 teaspoon ground black pepper
1/4 cup mayonnaise
6 slices Virginia chicken ham
6 slices Swiss cheese
3/4 cup panko breadcrumbs (for topping)
For the Creamy Dijon Gravy:
3 tablespoons butter
3 tablespoons flour
1/4 cup heavy cream
1 cup skim or 1% milk
1 teaspoon Worcestershire sauce
1 tablespoon Dijon mustard
1/2 cup grated Parmesan cheese
1/4 teaspoon freshly grated nutmeg
Salt and pepper to taste