In a large bowl, mix together the beef, pork, bread crumbs, eggs, onion, and celery. Season with 3 tablespoons soy sauce, ginger, and 2 tablespoons hoisin sauce. Pat mixture into a shallow 2 quart baking pan.
Bake in preheated oven for 40 minutes.
Drain grease from pan. In a small bowl, mix 1/2 cup hoisin with 2 tablespoons ketchup. Spread over top of meatloaf. Continue baking for 20 minutes or so. Remove from oven, and let rest for 5 minutes.
