Macerate at room temperature margarine mix with sugar and vanilla, add lemon peel, cream soda, stir well, add flour and knead dough. Turn and leave in the refrigerator for 1 hour. Chocolate is broken into pieces. The dough was divided into 3 balls. Each roll of a thickness not more than 2 mm and cut into triangles. At the end of each put a piece of chocolate and rolls. Arrange in pan with paper, oiled, a distance from one another and bake at 200 C for 15 minutes. Hot sprinkled with powdered sugar.