1. Pulverise biscuits (like flour).
2. Put biscuit flower into mixing bowl.
3. Add cocoa powder and mix.
4. Gradually add Condensed milk and mix until thick and dense.
5. Place chocolate sprinkles in another mixing bowl.
6. Take biscuit mix using a teaspoon. Roll into balls.
7. Add ball to chocolate sprinkles.

Note: Too much condensed milk will result in the balls flattening or losing their shape. If this happens, add more biscuit flour.