Combine the remaining ricotta mixture with the ground beef, ground pork, egg, lemon juice (if using), and ½ tsp salt. Mix thoroughly, then form the mixture into 1.5-inch meatballs (about the size ...

In a medium bowl, use your hand or a rubber spatula to combine beef, ricotta, Parmesan, parsley, egg, nutmeg, salt and pepper. Form mixture into 8 meatballs, transferring them to a plate as you go.