Place it at the end of a food request scene, after the reaction has already built. Follow it with an anime wow for an exaggerated response, or place it alone before a cut to the meal reveal for a cleaner payoff.
About this sound
A six second voice clip of a young female voice saying 'watashi wa hungy ne' in a soft, drawn out whine that mixes Japanese with broken English. It sounds needy and playful rather than serious, turning a simple hungry complaint into a cute, slightly spoiled plea for food that lands as sweet and funny.