Marble Jaffa Cupcakes

Ingredients

1 cup caster sugar
175g butter, unsalted and softened
1 1/2 cups self-raising flour
1 tsp baking powder
3 large eggs, beaten
2 tbsp fresh orange juice plus 1 tsp of orange essence
1 tbsp fresh orange juice
3 tsp finely grated orange rind
2 tbsp cocoa
100g dark chocolate pieces, cut into small pieces

Method

1. Cream butter and sugar together until pale, then add beaten eggs, then add sifted flour and baking powder. 
2. Mix the 2 tbsp orange juice with orange essence together with the rind. 
3. Transfer half the mixture into a second bowl. 
4. Mix the cocoa and 1 tbsp orange juice together. 
5. Into this mixture, fold in the mixed orange juice, rind and cocoa. 
6. Fold into the first bowl together with the chocolate pieces. 
7. Spoon the two mixtures randomly into cupcake liners. 
8. Draw a knife or skewer through the mixture to create a marbling effect. 
9. Bake at 150°C/300°F for 20-30 minutes until firm. 
10. Remove from oven and leave to cool in tray for about 5 mins, then turn out onto wire rack and allow to cool completely.

Original recipe found on apparentlyjessy