Ingredients: 7 frozen bananas, 6 frozen strawberries, 1 slice of mango, a handful of crowberries, a teaspoon of cocoa powder and a few spoons of greek yoghurt - Methods 1: Start by blending together the frozen bananas and yoghurt. Freezing the bananas makes the smoothie thicker and allows us to create the fine layers later. In smaller bowl mix together a portion of the large banana smoothie one of the other fruits For part 2 of the methods go to the next image.