Preheat your oven to 400°F degrees.
Combine breadcrumbs and milk in small bowl.
Let mixture sit for five minutes to soften.
Mix ground beef and pork in large bowl.
Add soaked breadcrumbs to the meat mixture.
Crack egg into the bowl with meats.
Add grated Parmesan cheese to the mixture.
Mix in minced garlic and fresh parsley.
Season everything with salt and black pepper.
Gently combine all ingredients until just mixed.
Roll mixture into twelve equal-sized meatballs carefully.
Heat olive oil in oven-safe skillet.
Brown meatballs on all sides for color.
Transfer skillet to preheated oven immediately.
Bake for fifteen to twenty minutes total.
Check internal temperature reaches 165°F degrees.