# Soften the margarine at room temperature, put it into a deep pot. Add castor
sugar and egg in it. Whisk it by a fork, until smoothen the mixture.
# Add
flour, baking powder in it. Add
corn starch in it while kneading the mixture. Make the dough reach medium consistency.
# Divide the dough into 2 pieces. Add grated
lemon rind into the first half of the dough and knead it. Add
cocoa into the second half and knead it also.
#Pick
walnuts sized pieces from the white dough, and roll them over the bench into pencil sized pieces.
# Shape the pencil shaped bars as rolls, then wrap the ends, get the wrapped sides down.
# Repeat the same processes until the white side of the dough ends. Shape the brown dough piece by the same way.
# Place the cookies on the baking tray, which is greased a little. Then place the tray into the oven, which is preheated to 383 F. Bake them for about 15 minutes.
# Remove the cookies form the oven. When the cookies cool down, dip the ends of the cookies into melted chocolate. Place them onto the grill to make the chocolate solidify.
