Cream together the butter and the sugar and then add the egg and mix well.
Add the oats, baking powder, flour and cocoa powder and combine.
Finally, add the honey, dates and chocolate and mix well.
Lightly grease your slow cooker post.
Line your slow cooker pot using baking paper or a large cake case.
Press the mixture into the baking paper or cake case, place the slow cooker lid on and cook on high for approx. 1.5 hours.
When firm, remove from the slow cooker using the edge of the baking paper or cake case to pull it out.
Leave to cool and harden fully.
Cut into slices/triangles and serve.