01 -
Preheat oven to 375°F (190°C) and line a baking sheet with parchment paper.
02 -
In a large bowl, thoroughly combine ground beef, breadcrumbs, Parmesan cheese, egg, minced garlic, Italian seasoning, salt, and black pepper until mixture is uniform.
03 -
Shape the mixture into evenly sized balls, approximately golf ball sized, and arrange on prepared baking sheet.
04 -
Transfer meatballs to the oven and bake for 20 to 25 minutes, or until cooked through with no pink remaining in the center.
05 -
While meatballs are baking, pour marinara sauce into a saucepan and heat over medium flame until warmed through.
06 -
Once baked, transfer meatballs to the saucepan with marinara sauce and coat gently.
07 -
Top each meatball with a slice of black olive and sprinkle with mozzarella cheese.
08 -
Cover and simmer for 5 minutes, or until mozzarella cheese is completely melted.
09 -
Plate hot meatballs with sauce and serve immediately.