Prepare a well greased plate or sheet pan first,by rubbing the butter or spraying it well with cooking spray. Don't miss the edges.
Roast the rice bubbles. if they are not very crispy.
In a microwave safe bowl, add the butter/cocoabutter and the chocolate and app for 30 seconds in high. Remove and Mix well.
Mostly the chocolate would have melted by now.
Add the rice bubbles into them, Mix well.
Transfer the chocolate and rice bubble mix onto the sheet pan.
Press this down gently with a spatula to remove air bubbles.
Sprinkle decorations on top press them down gently too.
Chill in a refrigerator for half hour to one hour till the chocolate hardens or if winter on your kitchen slab.
Slice into shapes of your choice using a sharp knife or cookie cutters.
While using the knife do not drag the knife the murmura / rice puffs will only crumble and make a mess. Cut into the shape desired instead, by lifting the knife each time.
save in an airtight box.