70g Butter, 1 cup self-raising Flour, 1 tsp baking powder, 1 tbsp cocoa, 1/4 cup caster sugar, 1/4 cup brown sugar, 1/4 cup each dark & white choc bits, 1/4 cup milk, 2 eggs , 1/2 tsp vanilla essence.

Preheat oven to 190C

• Place the butter in microwave bowl , cover and microwave on high for a minute for 1 minute.
• Sift the flour , baking powder and cocoa into a large bowl, add the caster sugar, brown sugar, and choc bits and stir well.
• Beat the milk , eggs and vanilla.
• Pour the milk and butter into the flour mixture and quickly mix until just combined. Do not over mix.
• Spoon the mixture into muffin tins and bake for 18-20 minutes , or until firm.
• Allow to cool for 5 minutes before  taking out of the moulds.