Spray a large cookie/baking sheet with cooking spray
Add eggs, breadcrumbs, and pureed onion to a very large bowl and mix well
In a small bowl mix all seasonings
Add ground pork to the very large bowl and sprinkle with seasoning
Mix everything together very well
Use a 1/5 Tbsp cookie scoop to make meatballs
Place each meatball on the prepared cookie sheet
Bake for 30 minutes or until internal temperature reaches 165 degrees
Either serve immediately or let meatballs cool in freezer/fridge and then place meatballs in Ziplock freezer bag and remove all air before putting away in freezer