Step 1:
1. Mix the nutella, butter, orange rind (if using), sugars and butter together until the mixture is light and fluffy. Step 2:
2. Add the beaten egg and flour to make a fairly firm mixture. Step 3:
3, Using your hands roll the mixture into balls and then place them on an UNGREASED baking sheet (if you grease it oddly enough the cookies will stick) Step 4:
4. Flatten out the cookies with your hands Step 5:
5. Bake at 180c (350 F) gas mark 4 for about 25 minutes until cooked 