Mix all ingredients in a bowl until combined well
Divide into 6 equal portions
Color 2 portions with red food coloring, 2 portions with green food coloring and leave the other 2 portions plain white
Roll each portion and press it to a mold
Stack each portion alternating one to another and each time, press them firmly
Chill in the fridge for 4 H or overnight
Once chilled, take out candy from fridge and slice.