1. Preheat oven to 400°.
2. Combine egg white and next 3 ingredients in a large bowl, stirring with a whisk. Add turkey and next 6 ingredients; combine using hands. With moist hands, shape mixture into 32 (1 1/2-inch) balls. Place meatballs on a broiler pan coated with cooking spray. Bake at 400° for 15 minutes or until done.
3. Heat pasta sauce in a large saucepan over medium heat until hot. Add meatballs, stirring to coat. Serve meatballs and sauce over pasta.
For baby: Crumble a meatball. Cut a spoonful of spaghetti into small pieces. Combine the meatball crumbles, spaghetti, and 1 to 2 tablespoons of sauce in a small bowl.
Kitchen Tip: Use a small ice-cream scoop to divide the meat mixture for perfectly portioned meatballs.