We were in Istanbul beginning of June most bars/restaurants where quite reasonable 9tl for efes 3 course meal for two 90-100tl including drinks, the most we paid for a 3 course meal with drinks was 140tl and that was at a restaurant called the Imabat which is or was in the top 10 restaurants on trip advisor and was one of the best meals I have ever eaten and I still thought it was great value for money