Preheat the oven to 180°C (160 fan/ Gas 4/ 350F) and grease and line a 23cm springform tin with baking paper.
Place the chocolate pieces and butter in a saucepan and melt on a low heat. Set aside to cool.
200 g Butter, 200 g Dark Chocolate
Place the eggs and sugars in a large mixing bowl and whisk with an electric whisk for 5 minutes until the mixture becomes thick and creamy.
4 Eggs, 100 g Caster Sugar, 100 g Light Brown Sugar
Fold the cooled chocolate mixture into the egg mixture and stir to combine.
Fold in the flour, ground almonds, and frozen crushed crunchie bars. Pour into the prepared tin and bake for 30-35 minutes until just set.
50 g Plain Flour, 50 g Ground Almonds, 2 Cadbury Crunchie Bars
Allow to cool, then remove from the springform tin and serve with more crushed crunchie bars on top.
2 Cadbury Crunchie Bars