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Ingredients

• 1 small onion, grated
• 3 garlic cloves, minced
• 1 large egg
• 1/4 cup dried bread crumbs
• 3 tablespoons ketchup
• 1/4 cup chopped fresh Italian parsley leaves
• 1/4 cup grated Parmesan
• 1/4 cup grated Pecorino Romano
• 1/2 teaspoon salt
• 1/4 teaspoon ground black pepper
• 1 pound ground turkey meat
• 3 tablespoons olive oil
• 26 ounces Simple Tomato Sauce, recipe follows, or store-bought marinara sauce
• 1/2 cup extra-virgin olive oil
• 1 small onion, chopped
• 2 cloves garlic, chopped
• 1 stalk celery, chopped
• 1 carrot, chopped
• Sea salt and freshly ground black pepper
• 2 (32-ounce) cans crushed tomatoes
• 4 to 6 basil leaves
• 2 dried bay leaves
• 4 tablespoons unsalted butter, optional