Prepare the leaves for wrapping by passing over stove flame, brush with butter or margarine.
Take a heaping table spoon of chocolate mixture and roll into a 3/4" log shape by hands.
Do the same process on the plain milk mixture.
Place the 2 logs side by side and twist to form a thicker two color log.
Place the log in 2 pieces of banana leaves, roll and tie a string at both end to secure.
Steam for 30 minutes in a double boiler container or steamer.