Preheat oven to 425 F.

Line large baking sheet with parchment paper, lightly coated with spray.

Place bread crumbs and milk in a small bowl. Set aside; soak for 10 minutes.

Heat oil in medium skillet over medium-low heat.

Add onion; cook, stirring frequently, for 5 to 6 minutes, or until onion is translucent.

Add garlic; cook, stirring frequently, for 1 minute.

Combine onion mixture, turkey, eggs, parsley, cheese, oregano, salt, pepper, and bread crumb mixture in a large bowl; mix well with clean hands or wooden spoon. Refrigerate, covered, for 1 hour.

With clean wet hands, form turkey mixture into approximately 42 1-inch meatballs; arrange onto prepared baking sheet.

Bake for 13 to 18 minutes, or until browned and cooked through.

Serve topped with Grandma's Tomato Sauce.