Berry Blast

1/2 C Frozen Berries
3/4 C Water
1 Frozen Banana
1 Pottle of Yogurt of 2 dessert spoons full

1. Add the frozen berries and water to a saucepan and bring to the boil, take off the heat and chill in the fridge
2. Add the frozen banana and yogurt to the berry mixture and whizz in a blender until smooth