2Add one cup of oatmeal and two tablespoons of peanut butter to the mashed banana and mix it well.
3Divide the mixture into two small tartlet tins and press firmly with your fingers.
4In a bowl, mix together half a cup of blackberries and raspberries with four tablespoons of chia seeds and one teaspoon of stevia or similar sweetener.
5Fill each tartlet with the berry and chia mixture.
6Melt two chocolate bars and pour it over the berry mixture in each tartlet.