These crunchy, flavoursome bites are also good if the orange zest is omitted and a few squares of chocolate, roughly chopped, are added to the mixture.
To make peanut butter, place about 80 g (1/2 cup) unsalted roasted peanuts in a food processor. Blend until chunky pieces form. Remove half; process the remainder finely. Mix all the processed nuts with 1 tbsp sunflower seed oil.