Germany faces Brazil in the World Cup finals on Tuesday and, as I learned during my visit to airberlin headquarters in Berlin recently, that means free currywurst for passengers on airberlin flights during the game.

Currywurst, a popular fast food dish in Germany that consists of whole or sliced pork sausage topped by a mixture of ketchup and curry powder, is one of the more popular buy-on-board options airberlin offers on its menu of dishes prepared for the airline by the Sansibar restaurant. The on-board version usually sells for about $9 (6.90 euros) and is sliced, made from veal and pork and served with a spicy curry sauce, a packet of extra-strong curry powder, a roll and, as is tradition, a wooden fork.

airberlin pilots have been announcing the results of World Cup matches that take place during flights and offering half-time scores for matches involving Germany. The free curry-wurst is served on all German domestic flights between 5 pm and 8 pm on the days when the German team is playing.