100gof butter can possibly be replaced with whipping cream. The butter should very much like to be at room temperature.
Optionally 75 g coconut flour.
Instructions
Mix oatmeal, icing sugar and cocoa together.
Add the butter or whipped cream and stir the dough until firm.
Then you shape the dough into small balls. You can optionally roll the oatmeal balls in coconut flour to decorate the balls as in the picture.
Let the oatmeal balls stand for 2-2½ hours in the fridge with the cover over to get cool and a little more firm in it.
Notes
If the butter is not at room temperature, then it may be an idea to use a mixer or blender to stir it all together, and yes it will be just as delicious that way - just a little more cumbersome and with a little more dishes.