Crush the biscuits in a food processor until it is fine (like flour).
Combine in a large bowl, the crush biscuits, 1/2 cup of fine desiccated coconuts and 2 tablespoons of cocoa. Mix the ingredients well.
The slowly stir in the milk, butter and sugar.
Shape the mixture into one-inch balls
Place the 1/4 cups of fine desiccated coconut into a flat plate
Roll the ball into the fine desiccated coconut.