Finely chop ham and onion and place in large mixing bowl. Add shredded cheese, seasoned salt, pepper and garlic powder. Mix well.
Dip each biscuit in flour; stretch into a large circle. Place 1 heaping tablespoon of meat mixture in center of each biscuit. Pinch edges together to form a sealed pod. Baste with beaten egg. Bake at 425 F. for 15 minutes or until golden brown.
Please note that some ingredients and brands may not be available in every store.