Prepare all ingredients.
If you use chocolate bar, cut it into the small pieces.
Prepare whipped cream in the 1/2 amount of chocolate and a little butter.
Boil whipped cream with the lower fire. Using handheld whisk to stir all the time.
Mix chocolate together with the whipped cream.
Mixed them well and add the butter to the mixture.
Pour the chocolate to the tray. Keep it on the room temperature until it warm then put into the refrigerator.
Cut into the sqaure or rectangle shape.
Sprinkle cocoa powder to the top of all chocolate pieces.
Put them into a beautiful DIY box :) It can be a gift for your friends on any occasions.