Combine the bread in a large bowl with the milk. Soak for 5 minutes, stir with a fork.
In a bowl with the mashed bread crumbs, add ground beef, cheese, egg, garlic, parsley, salt, and pepper. Use your hands to mix together just until combined. Do not over mix.
Using a cookie dough scoop or ice cream scoop, measure out the meat, with wet hands, shape into meatballs.
Heat a large non-stick skillet over medium heat. Add oil, and once the oil is hot, add the meatballs to the skillet. Turn every 2-3 minutes. Sauté until evenly browned and the internal temperature reaches 160 degrees. Serve as is or add to marina sauce.
Notes
To Bake: Place meatballs on a lined baking sheet 2 inches apart. Bake in preheated oven at 400 degrees F. for 20-25 minutes, or until the center reaches 160 degrees F.For extra large meatballs: Use a 1/2 cup measure and shape into meatballs. (1 pound of ground beef will make 7-8 large meatballs or 15 smaller ones)