Taking food through airport security is generally allowed, but there are some restrictions. Solid foods like sandwiches and fruits usually pass through easily, but liquids or semi-liquids like soups or sauces must be under 3.4 ounces if carried in your hand luggage. Are you planning a trip soon and wondering what food to pack? I'd love to hear more about your travel plans or help with any other travel-related questions you might have!