Due to complaints made by many on air passengers, airlines have invested greatly in the quality of food they provide to their passengers. Many airlines now have good foods and its would be difficult to pick one as the best but here is a short list of airlines that stand out in the quality, quantity, taste and over all appearance of their meals.
Turkish Airline - provide Turkish cuisine that are made daily. Their fresh and tasty meal is served even in economy class.
Singapore Airline - provide great services and generous portions of their amazing meals.
Delta Airline - you do not have to fly internationally before you have a taste of their meals. They offer meals on long domestic flights and passengers have 3 choices on every meal.