b'WHAT YOU NEED TO DO:TO PREPARE THE TOMATO SAUCE: Combine the tomato sauce, beef stock, sugar, salt and pepper in a big pot, stirring well, and bring to a simmer over medium heat. Add the meatballs to the pot and bring the liquid to a boil. Reduce the heat to low and cook for 30 minutes.Serve the meatballs with a side of creamy mashed potatoes or over your favorite pasta.'