Banana Smoothie with blueberries

Ingredients for 2 glasses:

2 ripe bananas
125 gram blueberries
7 Teaspoon natural yoghurt
300 milliliter cold water 

Preparation:

• First, peel the bananas and break them into pieces
• Sort and wash the blueberries
• Place all ingredients in a Smoothie blender, puree finely and enjoy immediately