Purslane cleared of thick stems and soak in salted water. Chopped, mixed with chopped onion and crushed with a little salt and mint. The feta cheese was crushed, mixed with an egg and add to the purslane. In a greased pan with sunflower oil is piecing the banitsa as filling between the layers are placed in two rows peel with sunflower oil between them. Cut into eight pieces. Mix the second egg, mix with carbonated water and pour the banitsa. It ranks as the butter pieces. Bake in a moderate oven. I make it as round banitsa and adding 2 tbsp yogurt mixture.