Foryoueats: Turkey Meatballs

Ingredients

• 1 large egg
• ¼ cup finely chopped fresh basil (plus more for serving)
• Heaping ½ teaspoon salt
• ¼ teaspoon freshly ground black pepper
• ½ teaspoon dried oregano
• 2 cloves garlic, minced
• 2 tablespoons water
• 3 tablespoons minced yellow onion, from 1 small onion
• 1⅓ pounds 93% lean ground turkey (see note)
• ⅔ cup dried Italian style bread crumbs (such as Progresso)
• ⅓ cup freshly grated pecorino Romano cheese (plus more for serving)
• 2 tablespoons olive oil, for cooking
• Large jar (24 oz) good quality Marinara sauce (such as Rao's)