Combine all ingredients for Cheese Filling and mix thoroughly.Portion 6 equal amounts onto individual pieces of plastic wrap.
Tightly wrap each portion of cheese filling and place in freezer for 30-60 minutes.Preheat oven to 350.Combine all ingredients for the Meatballs.
Once evenly mixed, portion into 6 4oz hamburger patties.Remove the cheese balls from the freezer and unwrap them.Place 1 cheese ball onto each hamburger patty and form a meatball shape around the cheese center using both hands.
Try to get the cheese centrally located within the meat so that it doesn't leak out during cooking.Place meatballs into a cast iron skillet on high heat.
Sear on each(6) side for 2 minutes.
(Use any pan you have available.
If it is not oven safe, transfer meatballs to a baking sheet after searing and place in oven.)Place meatballs in oven on 350 for 20 minutes.Remove Giant Stuffed 3 Cheese Meatballs from the oven and allow to rest for 5 minutes.
Cut open, admire, enjoy!