Preheat oven to 400°. In a large bowl, combine first 4 ingredients. Add pork, water chestnuts and bread crumbs; mix lightly but thoroughly. Shape mixture into 1-in. balls. Place in a greased 15x10x1-in. pan. Bake 15 minutes., In a 5- or 6-qt. slow cooker, mix cornstarch and juice until smooth. Stir in remaining ingredients. Add meatballs; stir gently to coat. Cook, covered, on low for 3-4 hours or until meatballs are cooked through and sauce is thickened. Freeze option: Freeze cooled meatball mixture in freezer containers. To use, partially thaw in refrigerator overnight. Heat through in a covered saucepan, stirring gently and adding a little broth if necessary.