Combine the egg yolk and garlic and pour into a sealable plastic bag. Place the chicken breasts inside of the bag and seal shut, making sure there is no extra air inside.
Make sure the chicken is well coated with the egg mixture. Place into the refrigerator and marinate for 4 hours.
Prepare the honey mustard dipping sauce by combining Grey Poupon, mayonnaise, yellow mustard, and honey in a small bowl. Mix well, cover and refrigerate until needed.
Preheat the oven to 350 degrees F. In a medium bowl combine panko, parmesan cheese, garlic powder, salt, and pepper.
Mix well. Remove the chicken from the bag and coat with the breadcrumb mixture on both sides. Place onto a greased baking sheet.
Place into the oven and bake at 350 degrees F. for about 40 minutes or until the chicken is fully cooked (the internal temperature has reached 165 Degrees F.).
Place 1 slice of ham and 1 slice of Swiss over the chicken and bake for an additional 2 minutes or until the cheese has melted. Serve with the Malibu sauce for dipping.