-Preheat oven to 375 degrees. -In a bowl combine ground beef, panko, scallions, egg, soy sauce, and minced garlic. -Form 1-inch meat balls. Arrange in a single layer on a baking tray and bake for approximately 25 minutes (until cooked through). -In a pot combine barbecue sauce, duck sauce, hoisin sauce, and brown sugar over medium high heat. Once it comes to a boil add the sliced red and green peppers. Lower heat and cook for 5 minutes. -Add in the meat balls making sure they are well coated and simmer for 15 minutes.