1.     Blend the oats as finely as possible and put them in a bowl. 2.    Melt the butter and blend it together with the blueberries until the mixture is smooth. Add it to the bowl with the oats. 3.    Chop or blend the dates as finely as possible. 4.    Mix all the ingredients together. Line a baking dish with parchment paper and spread the mixture in the dish. 5.    Bake the cake at 180 degrees Celsius (356 degrees Fahrenheit) (fan-forced) for 15 minutes or until the top gets a crispy crust. For an extra touch, top the cake with whipped cream mixed with vanilla to elevate the flavor experience.