Preheat the oven to 200 degrees C. Grease and line the muffin tray with paper cups.
Sieve the flour, baking powder, baking soda and cocoa powder together. Set aside.
In another bowl, mix the milo drink, oil, egg and vanilla extract together.
Add the sugar and english toffee bits and then re-sieve the flour mix on top.
Mix quickly and lightly in one direction.
Pour the batter into the muffin tray till they are 2/3 full. Sprinkle extra toffee bits on top as desired and bake at 200 degrees C for the first 10 minutes and reduce the temperature to 160 degrees C and continue to bake for the remaining 15 minutes.
Remove and serve warm.