Orange Cupcake

My nephew was at my place yesterday afternoon. Thought bake some orange cupcakes for the 4 kids. Had some time between 2-3pm, so quickly whipped them up and put them in the oven.Receipe:
200g self-raising flour
200g butter
200g sugar
1 tbsp freshly orange zest
50ml freshly squeezed orange juice
3 eggs

Cream the butter and sugar till pale. Add the eggs, one at a time, and beat. Mix all the flour and zest, juice in. Bake for about 35 min on 170C oven.