Disclosed is a one-piece edible filling for a meatball sandwich, formed from ground meat or other foodstuff which can be readily molded or shaped. The filling includes a generally flat base with an array of projections protruding from the base, such that the projections are connected together through the base. Each projection generally has the configuration of a meatball or portion thereof. The filling can be configured to form a filling for bun, roll or other sandwich casing to form a meatball sandwich when combined with said sandwich casing.