In a large mixer, combine the softened butter and brown sugar with a paddle attachment. Let whisk for 2 minutes. Add the eggs one at a time, followed by the vanilla extract. Add the flour, baking soda, sea salt and baking powder and slowly combine, making sure not to overmix the batter. Add the oats, chocolate chips and chocolate discs and cherries and combine. Refrigerate batter for 1 hour.