Healthier Italian Spaghetti Sauce with Meatballs

Make the meatballs: Mix ground beef, bread crumbs, parsley, beaten egg, Parmesan cheese, garlic, and pepper in a large bowl until well combined. Form into 12 balls. Cover and refrigerate until needed.

Make the sauce: Heat olive oil in a large saucepan over medium heat. Add onion; cook until translucent, 5 to 7 minutes. Add garlic and cook until fragrant, about 30 seconds. Stir in tomatoes, salt, sugar, and bay leaf. Reduce the heat to low, cover, and simmer for 1 hour.

Stir in tomato paste, pepper, and basil; stir in meatballs. Simmer on low heat until meatballs are cooked through, about 30 minutes. An instant-read thermometer inserted into the center should read at least 160 degrees F (71 degrees C).