Preheat your oven to 475°F.
Place a rack in the center of the oven.
In a large bowl, mix the breadcrumbs and milk.
Let the bread soak until it's fully moistened.
Add the ground meat, pancetta, garlic, salt, and pepper to the bowl.
Mix well until combined.
Form the mixture into evenly sized meatballs.
Heat olive oil in a large skillet over medium-high heat.
Brown meatballs on all sides in the skillet for about 8 minutes.
Transfer them to the oven and roast for 15 minutes.