Eggs are broken down with lemonade. Set aside 2 ladle of the mixture. Add the yogurt and soda, milk, salt and sugar. Grease the tin with pre-melted butter. Bottom pour ladle 2 separated egg mixture. Peel smash close to each other, sprinkle with crumbled feta cheese, while ensuring the feta cheese sprinkled everywhere. Spray well with butter and pour in the egg mixture. Bake in a moderate oven. After being fired, the banitsa sprayed with little water, turns on a tray and screwed.